Thick-lipped dog-whelks (Hinia incrassata (= Nassarius incrassatus)) crawling around on the bottom of a rockpool UK Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-thick-lipped-dog-whelks-hinia-incrassata-=-nassarius-incrassatus-crawling-48695664.html
RMCR67PT–Thick-lipped dog-whelks (Hinia incrassata (= Nassarius incrassatus)) crawling around on the bottom of a rockpool UK
Egg cases / eggs of netted dog whelk (Tritia reticulata / Nassarius reticulatus / Hinia reticulata), marine gastropod mollusc, washed ashore on beach Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/egg-cases-eggs-of-netted-dog-whelk-tritia-reticulata-nassarius-reticulatus-hinia-reticulata-marine-gastropod-mollusc-washed-ashore-on-beach-image262208763.html
RMW6GHXK–Egg cases / eggs of netted dog whelk (Tritia reticulata / Nassarius reticulatus / Hinia reticulata), marine gastropod mollusc, washed ashore on beach
Four small grey seashells, periwinkles, home to sea snails, on rocks in the rock pools on shore. Clear salt water, sand, coastal Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/four-small-grey-seashells-periwinkles-home-to-sea-snails-on-rocks-in-the-rock-pools-on-shore-clear-salt-water-sand-coastal-australia-image459908662.html
RF2HM6J5A–Four small grey seashells, periwinkles, home to sea snails, on rocks in the rock pools on shore. Clear salt water, sand, coastal Australia
Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-nassarius-seashell-common-name-nassa-mud-snails-usa-or-dog-whelks-166081350.html
RMKJ5JCP–Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub
A rock in the water of a rock pool by the sea, rocks dotted with tiny Periwinkles, Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-rock-in-the-water-of-a-rock-pool-by-the-sea-rocks-dotted-with-tiny-periwinkles-australia-image573689592.html
RF2T99PX0–A rock in the water of a rock pool by the sea, rocks dotted with tiny Periwinkles, Australia
Netted Dog Whelk (Nassarius reticulatus) adults, group feeding on dead razorshell, on sandy seabed, Studland Bay, Dorset, England, United Kingdom Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dog-whelk-nassarius-reticulatus-adults-group-feeding-on-dead-razorshell-on-sandy-seabed-studland-bay-dorset-england-united-kingdom-image543857095.html
RM2PGPR7K–Netted Dog Whelk (Nassarius reticulatus) adults, group feeding on dead razorshell, on sandy seabed, Studland Bay, Dorset, England, United Kingdom
Snail shell of Netted Nassa, France (Nassarius reticulatus) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snail-shell-of-netted-nassa-france-nassarius-reticulatus-image566952087.html
RM2RXAW4R–Snail shell of Netted Nassa, France (Nassarius reticulatus)
. English: Illustrated Index of British Shells. Plate XVIII. Fig. Name in text Accepted name (2013) 1 Nassa reticulata Linnaeus Nassarius reticulatus 2 Nassa incrassata Müller Nassarius incrassatus (Müller) 3 Nassa pygmæa Lamarck Nassarius pygmaeus 4 Mangelia turriculata Montagu Propebela turricula 5 Mangelia Trevelliana Turton Curtitoma trevelliana 6 Mangelia rufa Montagu Propebela rufa 7 Mangelia teres Forbes Teretia teres 8 Mangelia purpurea Montagu Raphitoma purpurea 9 Mangelia cancellata Sowerby Trophonopsis muricata (?) 10 Mangelia reticulatum Brown Curtitoma trevelliana 11 M Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/english-illustrated-index-of-british-shells-plate-xviii-fig-name-in-text-accepted-name-2013-1-nassa-reticulata-linnaeus-nassarius-reticulatus-2-nassa-incrassata-mller-nassarius-incrassatus-mller-3-nassa-pygma-lamarck-nassarius-pygmaeus-4-mangelia-turriculata-montagu-propebela-turricula-5-mangelia-trevelliana-turton-curtitoma-trevelliana-6-mangelia-rufa-montagu-propebela-rufa-7-mangelia-teres-forbes-teretia-teres-8-mangelia-purpurea-montagu-raphitoma-purpurea-9-mangelia-cancellata-sowerby-trophonopsis-muricata-10-mangelia-reticulatum-brown-curtitoma-trevelliana-11-m-image185017509.html
RMMN07M5–. English: Illustrated Index of British Shells. Plate XVIII. Fig. Name in text Accepted name (2013) 1 Nassa reticulata Linnaeus Nassarius reticulatus 2 Nassa incrassata Müller Nassarius incrassatus (Müller) 3 Nassa pygmæa Lamarck Nassarius pygmaeus 4 Mangelia turriculata Montagu Propebela turricula 5 Mangelia Trevelliana Turton Curtitoma trevelliana 6 Mangelia rufa Montagu Propebela rufa 7 Mangelia teres Forbes Teretia teres 8 Mangelia purpurea Montagu Raphitoma purpurea 9 Mangelia cancellata Sowerby Trophonopsis muricata (?) 10 Mangelia reticulatum Brown Curtitoma trevelliana 11 M
Herklots 1859 VI 2 Nassarius reticulatus. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/herklots-1859-vi-2-nassarius-reticulatus-image354382412.html
RM2BGFEAM–Herklots 1859 VI 2 Nassarius reticulatus.
SEAMAN OF 19 WINS POSTHUMOUS MEDAL The King has awarded the Albert medal in bronze posthumously to 19-year-old Ordinary Seaman Kenneth John Wilson (pictured here), who lost his life trying to save a fellow crewmember overcome by fumes in a cargo tank of the motor vessel ' Nassarius '. Wilson's mother lives in Warwick Way, Westminster, London. The Nassarius was on a voyage from Beirut to Mena al Ahmeda during December, 1949, when a crewman was overcome by fumes. Wilson went to his rescue, tried to tie a rope about the crewman's body, he was overcome by fumes however, and plunged to the bott Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/seaman-of-19-wins-posthumous-medal-the-king-has-awarded-the-albert-medal-in-bronze-posthumously-to-19-year-old-ordinary-seaman-kenneth-john-wilson-pictured-here-who-lost-his-life-trying-to-save-a-fellow-crewmember-overcome-by-fumes-in-a-cargo-tank-of-the-motor-vessel-nassarius-wilsons-mother-lives-in-warwick-way-westminster-london-the-nassarius-was-on-a-voyage-from-beirut-to-mena-al-ahmeda-during-december-1949-when-a-crewman-was-overcome-by-fumes-wilson-went-to-his-rescue-tried-to-tie-a-rope-about-the-crewmans-body-he-was-overcome-by-fumes-however-and-plunged-to-the-bott-image624409865.html
RM2Y7T949–SEAMAN OF 19 WINS POSTHUMOUS MEDAL The King has awarded the Albert medal in bronze posthumously to 19-year-old Ordinary Seaman Kenneth John Wilson (pictured here), who lost his life trying to save a fellow crewmember overcome by fumes in a cargo tank of the motor vessel ' Nassarius '. Wilson's mother lives in Warwick Way, Westminster, London. The Nassarius was on a voyage from Beirut to Mena al Ahmeda during December, 1949, when a crewman was overcome by fumes. Wilson went to his rescue, tried to tie a rope about the crewman's body, he was overcome by fumes however, and plunged to the bott
sea snails on Baja California, Mexico Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/sea-snails-on-baja-california-mexico-image211891935.html
RFP8ME93–sea snails on Baja California, Mexico
Netted dog whelk (Nassarius reticulatus) with siphon, tentacle and eye visible, scavenging on barnacle encrusted rocks bordering a sandy seabed, exposed on a low spring tide, Rhossili, The Gower Peninsula, UK, July. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dog-whelk-nassarius-reticulatus-with-siphon-tentacle-and-eye-visible-scavenging-on-barnacle-encrusted-rocks-bordering-a-sandy-seabed-exposed-on-a-low-spring-tide-rhossili-the-gower-peninsula-uk-july-image262919816.html
RMW7N0WC–Netted dog whelk (Nassarius reticulatus) with siphon, tentacle and eye visible, scavenging on barnacle encrusted rocks bordering a sandy seabed, exposed on a low spring tide, Rhossili, The Gower Peninsula, UK, July.
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 5. Nassarius sp. (scale = 1 mm). Fig. 6. Nassarius sp. (scale = 2 mm).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. South African Museum. Cape Town : The Museum Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annals-of-the-south-african-museum-=-annale-van-die-suid-afrikaanse-museum-natural-history-fig-5-nassarius-sp-scale-=-1-mm-fig-6-nassarius-sp-scale-=-2-mm-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-south-african-museum-cape-town-the-museum-image236496191.html
RMRMN98F–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 5. Nassarius sp. (scale = 1 mm). Fig. 6. Nassarius sp. (scale = 2 mm).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. South African Museum. Cape Town : The Museum
Nassarius tiarula. 13 Feb 201712 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nassarius-tiarula-13-feb-201712-image353513304.html
RM2BF3WR4–Nassarius tiarula. 13 Feb 201712
Netted dog whelk (Hinia reticulata (= Nassarius reticulatus)) feeding on a dead crab in a rockpool UK Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-netted-dog-whelk-hinia-reticulata-=-nassarius-reticulatus-feeding-48212298.html
RMCPC77P–Netted dog whelk (Hinia reticulata (= Nassarius reticulatus)) feeding on a dead crab in a rockpool UK
Egg cases / eggs of netted dog whelk (Tritia reticulata / Nassarius reticulatus / Hinia reticulata), marine gastropod mollusc, washed ashore on beach Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/egg-cases-eggs-of-netted-dog-whelk-tritia-reticulata-nassarius-reticulatus-hinia-reticulata-marine-gastropod-mollusc-washed-ashore-on-beach-image262208715.html
RMW6GHTY–Egg cases / eggs of netted dog whelk (Tritia reticulata / Nassarius reticulatus / Hinia reticulata), marine gastropod mollusc, washed ashore on beach
Nassarius trivittatus. 13 Feb 20171 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nassarius-trivittatus-13-feb-20171-image353510592.html
RM2BF3PA8–Nassarius trivittatus. 13 Feb 20171
Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-nassarius-seashell-common-name-nassa-mud-snails-usa-or-dog-whelks-166081368.html
RMKJ5JDC–Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub
Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach along the North Sea coast Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dog-whelk-nassarius-reticulatus-hinia-reticulata-shells-on-image61088473.html
RMDFAPY5–Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach along the North Sea coast
Nassarius acutus. some eaten by drums?13 Feb 2017100 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nassarius-acutus-some-eaten-by-drums13-feb-2017100-image353514728.html
RM2BF3YJ0–Nassarius acutus. some eaten by drums?13 Feb 2017100
Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-netted-dog-whelk-nassarius-reticulatus-hinia-reticulata-shells-on-85031105.html
RMEX9E15–Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach
Tiny Periwinkles, sea shells on rocks around a rock pool by the sea, Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/tiny-periwinkles-sea-shells-on-rocks-around-a-rock-pool-by-the-sea-australia-image573689585.html
RF2T99PWN–Tiny Periwinkles, sea shells on rocks around a rock pool by the sea, Australia
Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-netted-dog-whelk-nassarius-reticulatus-hinia-reticulata-shells-on-85031095.html
RMEX9E0R–Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach
Snail shells of Netted Nassa, France (Nassarius reticulatus) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snail-shells-of-netted-nassa-france-nassarius-reticulatus-image566952095.html
RM2RXAW53–Snail shells of Netted Nassa, France (Nassarius reticulatus)
Netted dog whelk (Nassarius reticulatus) among shells, Belgium Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-netted-dog-whelk-nassarius-reticulatus-among-shells-belgium-26269250.html
RMBEMJKE–Netted dog whelk (Nassarius reticulatus) among shells, Belgium
Herklots 1859 VI 2 Nassarius reticulatus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-herklots-1859-vi-2-nassarius-reticulatus-139958751.html
Netted dog whelks (Nassarius reticulatus) scavenging on rocks among Sea Lettuce (Ulva lactuca) and Irish moss / Carrageen (Chondrus crispus) seaweeds exposed on a low spring tide, Rhossili, The Gower Peninsula, UK, July. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dog-whelks-nassarius-reticulatus-scavenging-on-rocks-among-sea-lettuce-ulva-lactuca-and-irish-moss-carrageen-chondrus-crispus-seaweeds-exposed-on-a-low-spring-tide-rhossili-the-gower-peninsula-uk-july-image262919815.html
RMW7N0WB–Netted dog whelks (Nassarius reticulatus) scavenging on rocks among Sea Lettuce (Ulva lactuca) and Irish moss / Carrageen (Chondrus crispus) seaweeds exposed on a low spring tide, Rhossili, The Gower Peninsula, UK, July.
Netted Dogwhelks (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, October Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dogwhelks-nassarius-reticulatus-english-channel-off-the-coast-of-sark-channel-islands-october-image262936891.html
RMW7NPK7–Netted Dogwhelks (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, October
. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mm Figure 1. Egg Capsules of Nassarius angulicostis. a. View of the flat side. b. Lateral view. Figure 3. Egg Capsules of Nassarius lodes. a. S b. Lateral views.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-western-society-of-malacologists-mollusks-mollusks-05mm-figure-1-egg-capsules-of-nassarius-angulicostis-a-view-of-the-flat-side-b-lateral-view-figure-3-egg-capsules-of-nassarius-lodes-a-s-b-lateral-views-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-western-society-of-malacologists-pomona-calif-western-society-of-malacologists-image236222220.html
RMRM8RRT–. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mm Figure 1. Egg Capsules of Nassarius angulicostis. a. View of the flat side. b. Lateral view. Figure 3. Egg Capsules of Nassarius lodes. a. S b. Lateral views.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists
. The ecology of Tijuana Estuary, California : a national estuarine research reserve . Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from left to right: the mud-flat brachiopod (Glottidia albida), ben Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-ecology-of-tijuana-estuary-california-a-national-estuarine-research-reserve-figure-320-the-channels-suport-a-wide-variety-of-animals-illustrated-are-mullet-in-the-water-column-and-benthic-animals-from-left-to-right-the-horn-snail-sea-hare-aplysia-mud-snails-nassarius-sand-dollars-hermit-crabs-pagurus-egg-cockle-laevicardium-sea-cucumber-molpadia-and-its-commensal-pea-crab-pinnixia-barnharti-and-the-crab-cancer-productus-with-attached-mussels-mytilus-edulis-burrowing-in-the-sediments-are-from-left-to-right-the-mud-flat-brachiopod-glottidia-albida-ben-image178480324.html
RMMAADD8–. The ecology of Tijuana Estuary, California : a national estuarine research reserve . Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from left to right: the mud-flat brachiopod (Glottidia albida), ben
Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-nassarius-seashell-common-name-nassa-mud-snails-usa-or-dog-whelks-166081457.html
RMKJ5JGH–Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub
Tiny Periwinkles, sea shells on rocks around a rock pool by the sea, Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/tiny-periwinkles-sea-shells-on-rocks-around-a-rock-pool-by-the-sea-australia-image573693622.html
RF2T9A01X–Tiny Periwinkles, sea shells on rocks around a rock pool by the sea, Australia
Small grey seashells, Pyramid Periwinkles, Nodilittorina pyramidalis, housing sea snails, attached to rocks in a seaside rock pool, Sawtell Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/small-grey-seashells-pyramid-periwinkles-nodilittorina-pyramidalis-housing-sea-snails-attached-to-rocks-in-a-seaside-rock-pool-sawtell-australia-image395890078.html
RF2E029RA–Small grey seashells, Pyramid Periwinkles, Nodilittorina pyramidalis, housing sea snails, attached to rocks in a seaside rock pool, Sawtell Australia
Netted dog whelk (Nassarius reticulatus) shell fossils on beach, Belgium Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-netted-dog-whelk-nassarius-reticulatus-shell-fossils-on-beach-belgium-26269266.html
RMBEMJM2–Netted dog whelk (Nassarius reticulatus) shell fossils on beach, Belgium
Wood 1 III 2 Nassarius propinquus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-wood-1-iii-2-nassarius-propinquus-140691733.html
RMJ4W1MN–Wood 1 III 2 Nassarius propinquus
The ecology of Tijuana Estuary, The ecology of Tijuana Estuary, California : a national estuarine research reserve ecologyoftijuana00zedl Year: 1992 Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-ecology-of-tijuana-estuary-the-ecology-of-tijuana-estuary-california-a-national-estuarine-research-reserve-ecologyoftijuana00zedl-year-1992-figure-320-the-channels-suport-a-wide-variety-of-animals-illustrated-are-mullet-in-the-water-column-and-benthic-animals-from-left-to-right-the-horn-snail-sea-hare-aplysia-mud-snails-nassarius-sand-dollars-hermit-crabs-pagurus-egg-cockle-laevicardium-sea-cucumber-molpadia-and-its-commensal-pea-crab-pinnixia-barnharti-and-the-crab-cancer-productus-with-attached-mussels-mytilus-edulis-burrowing-in-the-sediments-are-from-image239843268.html
RMRX5PF0–The ecology of Tijuana Estuary, The ecology of Tijuana Estuary, California : a national estuarine research reserve ecologyoftijuana00zedl Year: 1992 Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from
Netted Dogwhelk (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, October Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dogwhelk-nassarius-reticulatus-english-channel-off-the-coast-of-sark-channel-islands-october-image262936893.html
RMW7NPK9–Netted Dogwhelk (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, October
. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mm Figure 1. Egg Capsules of Nassarius angulicostis. a. View of the flat side. b. Lateral view. Figure 3. Egg Capsules of Nassarius lodes. a. S b. Lateral views.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-western-society-of-malacologists-mollusks-mollusks-05mm-figure-1-egg-capsules-of-nassarius-angulicostis-a-view-of-the-flat-side-b-lateral-view-figure-3-egg-capsules-of-nassarius-lodes-a-s-b-lateral-views-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-western-society-of-malacologists-pomona-calif-western-society-of-malacologists-image236222208.html
RMRM8RRC–. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mm Figure 1. Egg Capsules of Nassarius angulicostis. a. View of the flat side. b. Lateral view. Figure 3. Egg Capsules of Nassarius lodes. a. S b. Lateral views.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists
Netted Dogwhelks (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, July Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/netted-dogwhelks-nassarius-reticulatus-english-channel-off-the-coast-of-sark-channel-islands-july-image262936908.html
RMW7NPKT–Netted Dogwhelks (Nassarius reticulatus) English Channel, off the coast of Sark, Channel Islands, July
Eggs of Netted dog whelk Nassarius reticulatus Jersey Channel Is UK St Catherines Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/eggs-of-netted-dog-whelk-nassarius-reticulatus-jersey-channel-is-uk-image2437444.html
RMACK145–Eggs of Netted dog whelk Nassarius reticulatus Jersey Channel Is UK St Catherines
Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae past Flat / Purple Top shell (Gibbula umbilicalis), Rough periwinkle (Littorina saxatilis) and Thick-lipped Dog whelk (Nassarius incrassatus) low on a rocky shore, near Falmouth, Cornwall, UK, August. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-brittle-star-ophiothrix-fragilis-moving-over-floor-of-rockpool-encrusted-with-red-algae-past-flat-purple-top-shell-gibbula-umbilicalis-rough-periwinkle-littorina-saxatilis-and-thick-lipped-dog-whelk-nassarius-incrassatus-low-on-a-rocky-shore-near-falmouth-cornwall-uk-august-image262928518.html
RMW7NC06–Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae past Flat / Purple Top shell (Gibbula umbilicalis), Rough periwinkle (Littorina saxatilis) and Thick-lipped Dog whelk (Nassarius incrassatus) low on a rocky shore, near Falmouth, Cornwall, UK, August.
Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-nassarius-seashell-common-name-nassa-mud-snails-usa-or-dog-whelks-166081473.html
RMKJ5JH5–Nassarius seashell, common name nassa mud snails (USA) or dog whelks (UK). Marine gastropod molluscs, Nassariidae family. L3,5xW2xH1,8cm. Found in Dub
Small grey seashells, Pyramid Periwinkles, Nodilittorina pyramidalis, housing sea snails, attached to rocks in a seaside rock pool, Sawtell Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/small-grey-seashells-pyramid-periwinkles-nodilittorina-pyramidalis-housing-sea-snails-attached-to-rocks-in-a-seaside-rock-pool-sawtell-australia-image395890079.html
RF2E029RB–Small grey seashells, Pyramid Periwinkles, Nodilittorina pyramidalis, housing sea snails, attached to rocks in a seaside rock pool, Sawtell Australia
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. DISPERSAL AND GENETIC EXCHANGE 305 gastropod larvae have a more general response. Thus the intertidal snail Nassarius obsoletus, primarily a deposit-feeder, delays settlement in the absence of an appro- priate sediment (Scheltema, 1956, 1961), and Kiseleva (1966, 1967) has shown that the prosobranchs Rissoa splendida and Bittiitin reticulatum settle preferentially on the alga Cystoseira. In some species settlement may be simply a tactile response to a surface, apparently the case with the architectonicid Philippia krcbsii. * Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-dispersal-and-genetic-exchange-305-gastropod-larvae-have-a-more-general-response-thus-the-intertidal-snail-nassarius-obsoletus-primarily-a-deposit-feeder-delays-settlement-in-the-absence-of-an-appro-priate-sediment-scheltema-1956-1961-and-kiseleva-1966-1967-has-shown-that-the-prosobranchs-rissoa-splendida-and-bittiitin-reticulatum-settle-preferentially-on-the-alga-cystoseira-in-some-species-settlement-may-be-simply-a-tactile-response-to-a-surface-apparently-the-case-with-the-architectonicid-philippia-krcbsii-image234651392.html
RMRHN86T–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. DISPERSAL AND GENETIC EXCHANGE 305 gastropod larvae have a more general response. Thus the intertidal snail Nassarius obsoletus, primarily a deposit-feeder, delays settlement in the absence of an appro- priate sediment (Scheltema, 1956, 1961), and Kiseleva (1966, 1967) has shown that the prosobranchs Rissoa splendida and Bittiitin reticulatum settle preferentially on the alga Cystoseira. In some species settlement may be simply a tactile response to a surface, apparently the case with the architectonicid Philippia krcbsii. *
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 111 (containing fractions 11-18, stippled peak in Fig. 2) was essentially as effective as the total shrimp extract. This conclusion was supported by a Potency Probit Analysis. Three other fractions (101, 104, and 106) were response-inducing at relatively high concentrations. However, the stimulatory capacities of these latter fractions were very low when compared with the capacity of fraction 102. Table II summarizes the distribution of the extract components identified in fraction 102 and in othe Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-chemoreception-in-nassarius-111-containing-fractions-11-18-stippled-peak-in-fig-2-was-essentially-as-effective-as-the-total-shrimp-extract-this-conclusion-was-supported-by-a-potency-probit-analysis-three-other-fractions-101-104-and-106-were-response-inducing-at-relatively-high-concentrations-however-the-stimulatory-capacities-of-these-latter-fractions-were-very-low-when-compared-with-the-capacity-of-fraction-102-table-ii-summarizes-the-distribution-of-the-extract-components-identified-in-fraction-102-and-in-othe-image234638734.html
RMRHMM2P–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 111 (containing fractions 11-18, stippled peak in Fig. 2) was essentially as effective as the total shrimp extract. This conclusion was supported by a Potency Probit Analysis. Three other fractions (101, 104, and 106) were response-inducing at relatively high concentrations. However, the stimulatory capacities of these latter fractions were very low when compared with the capacity of fraction 102. Table II summarizes the distribution of the extract components identified in fraction 102 and in othe
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 38 GOOCH, SMITH, AND KNUPP NASSARIUS OBSOLETUS LC-I 1.01. ATLANTIC OCEAN FIGURE 1. The transect of Nassarius obsolctiis from Cape Cod, Massachusetts, to Beau- fort, North Carolina. Allele frequencies at the Lc-1 locus are indicated as percentages of the shoreward circles and those of the Gp-1 locus by the seaward circles. Localities are:. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfect Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-38-gooch-smith-and-knupp-nassarius-obsoletus-lc-i-101-atlantic-ocean-figure-1-the-transect-of-nassarius-obsolctiis-from-cape-cod-massachusetts-to-beau-fort-north-carolina-allele-frequencies-at-the-lc-1-locus-are-indicated-as-percentages-of-the-shoreward-circles-and-those-of-the-gp-1-locus-by-the-seaward-circles-localities-are-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfect-image234652526.html
RMRHN9KA–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 38 GOOCH, SMITH, AND KNUPP NASSARIUS OBSOLETUS LC-I 1.01. ATLANTIC OCEAN FIGURE 1. The transect of Nassarius obsolctiis from Cape Cod, Massachusetts, to Beau- fort, North Carolina. Allele frequencies at the Lc-1 locus are indicated as percentages of the shoreward circles and those of the Gp-1 locus by the seaward circles. Localities are:. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfect
. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 1 mm Figure 4. Egg Capsules of Nassarius brunneostomus a. View of the flat side. b. Lateral view. Figure 5. Egg Capsules of Nassarius tiaruta a. View of the flat side. b. Lateral view. 15. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-western-society-of-malacologists-mollusks-mollusks-1-mm-figure-4-egg-capsules-of-nassarius-brunneostomus-a-view-of-the-flat-side-b-lateral-view-figure-5-egg-capsules-of-nassarius-tiaruta-a-view-of-the-flat-side-b-lateral-view-15-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-western-society-of-malacologists-pomona-calif-western-society-of-malacologists-image236222161.html
RMRM8RNN–. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 1 mm Figure 4. Egg Capsules of Nassarius brunneostomus a. View of the flat side. b. Lateral view. Figure 5. Egg Capsules of Nassarius tiaruta a. View of the flat side. b. Lateral view. 15. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists
. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mtr Figure 2. Egg Capsules of Nassarius taeniolatus. a. Capsule tilted toward viewer to show apical plug (showing pleats). b. View of slightly shouldered capsule (pleats omitted). c. Lateral view (pleats omitted).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-western-society-of-malacologists-mollusks-mollusks-05mtr-figure-2-egg-capsules-of-nassarius-taeniolatus-a-capsule-tilted-toward-viewer-to-show-apical-plug-showing-pleats-b-view-of-slightly-shouldered-capsule-pleats-omitted-c-lateral-view-pleats-omitted-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-western-society-of-malacologists-pomona-calif-western-society-of-malacologists-image236222191.html
RMRM8RPR–. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mtr Figure 2. Egg Capsules of Nassarius taeniolatus. a. Capsule tilted toward viewer to show apical plug (showing pleats). b. View of slightly shouldered capsule (pleats omitted). c. Lateral view (pleats omitted).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologists
. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mtr Figure 2. Egg Capsules of Nassarius taeniolatus. a. Capsule tilted toward viewer to show apical plug (showing pleats). b. View of slightly shouldered capsule (pleats omitted). c. Lateral view (pleats omitted).. 0.5 mm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologis Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-western-society-of-malacologists-mollusks-mollusks-05mtr-figure-2-egg-capsules-of-nassarius-taeniolatus-a-capsule-tilted-toward-viewer-to-show-apical-plug-showing-pleats-b-view-of-slightly-shouldered-capsule-pleats-omitted-c-lateral-view-pleats-omitted-05-mm-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-western-society-of-malacologists-pomona-calif-western-society-of-malacologis-image236222185.html
RMRM8RPH–. Annual report - Western Society of Malacologists. Mollusks; Mollusks. 0.5mtr Figure 2. Egg Capsules of Nassarius taeniolatus. a. Capsule tilted toward viewer to show apical plug (showing pleats). b. View of slightly shouldered capsule (pleats omitted). c. Lateral view (pleats omitted).. 0.5 mm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Western Society of Malacologists. Pomona, Calif. , Western Society of Malacologis
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 121 stimulatory capacity stemmed from a group of compounds. Solutions containing only Solution A (10 amino acids), glycine, betaine, or lactate (or glycine-betaine- lactate) were considerably less effective than Solution A-betaine-lactate. Tbe effectiveness of the Solution A-betaine-lactate combination was not simply a func- tion of the presence of more organic molecules; actually there were considerably fewer molecules present in the stimulatory solutions produced from combining Solution A, betai Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-chemoreception-in-nassarius-121-stimulatory-capacity-stemmed-from-a-group-of-compounds-solutions-containing-only-solution-a-10-amino-acids-glycine-betaine-or-lactate-or-glycine-betaine-lactate-were-considerably-less-effective-than-solution-a-betaine-lactate-tbe-effectiveness-of-the-solution-a-betaine-lactate-combination-was-not-simply-a-func-tion-of-the-presence-of-more-organic-molecules-actually-there-were-considerably-fewer-molecules-present-in-the-stimulatory-solutions-produced-from-combining-solution-a-betai-image234638699.html
RMRHMM1F–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 121 stimulatory capacity stemmed from a group of compounds. Solutions containing only Solution A (10 amino acids), glycine, betaine, or lactate (or glycine-betaine- lactate) were considerably less effective than Solution A-betaine-lactate. Tbe effectiveness of the Solution A-betaine-lactate combination was not simply a func- tion of the presence of more organic molecules; actually there were considerably fewer molecules present in the stimulatory solutions produced from combining Solution A, betai
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 582 JAN A. PECHENIK. FIGURE 1. Diagramatic illustration of a Nassarius obsolctus egg capsule which has been sliced parallel to its long axis to expose the plug in the mouth of the capsule (drawn from a photograph). The base of the capsule has been cut away. Cut surfaces are stippled. of water in each chamber was determined by weighing, as above. One hour after hatching had begun, the chamber fluid was removed to a new glass chamber. Fresh plug material was then added to the hatching fluid from 0 to 3 to hours later, and its Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-582-jan-a-pechenik-figure-1-diagramatic-illustration-of-a-nassarius-obsolctus-egg-capsule-which-has-been-sliced-parallel-to-its-long-axis-to-expose-the-plug-in-the-mouth-of-the-capsule-drawn-from-a-photograph-the-base-of-the-capsule-has-been-cut-away-cut-surfaces-are-stippled-of-water-in-each-chamber-was-determined-by-weighing-as-above-one-hour-after-hatching-had-begun-the-chamber-fluid-was-removed-to-a-new-glass-chamber-fresh-plug-material-was-then-added-to-the-hatching-fluid-from-0-to-3-to-hours-later-and-its-image234619609.html
RMRHKRKN–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 582 JAN A. PECHENIK. FIGURE 1. Diagramatic illustration of a Nassarius obsolctus egg capsule which has been sliced parallel to its long axis to expose the plug in the mouth of the capsule (drawn from a photograph). The base of the capsule has been cut away. Cut surfaces are stippled. of water in each chamber was determined by weighing, as above. One hour after hatching had begun, the chamber fluid was removed to a new glass chamber. Fresh plug material was then added to the hatching fluid from 0 to 3 to hours later, and its
. The Biological bulletin. Biology; Zoology; Marine biology. SELECTIVE FEEDING BY VELIGER LARVAE 0 487. Figure 3. Choice among three different species of algal food by veliger larvae of the gas- tropod Nassarius obsolctus with a shell length between 400 fi and 600 n (creeping-swimming stage). For explanation see text. The size of the microorganisms which may be ingested is Hmited by the diam- eter of the mouth and intestine of the larvae. Thorson (1946, p. 447) sum- marizes data on the diameter of the esophagus and anterior portion of the intestine Table III Relative volume of cells consumed b Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-marine-biology-selective-feeding-by-veliger-larvae-0-487-figure-3-choice-among-three-different-species-of-algal-food-by-veliger-larvae-of-the-gas-tropod-nassarius-obsolctus-with-a-shell-length-between-400-fi-and-600-n-creeping-swimming-stage-for-explanation-see-text-the-size-of-the-microorganisms-which-may-be-ingested-is-hmited-by-the-diam-eter-of-the-mouth-and-intestine-of-the-larvae-thorson-1946-p-447-sum-marizes-data-on-the-diameter-of-the-esophagus-and-anterior-portion-of-the-intestine-table-iii-relative-volume-of-cells-consumed-b-image234624339.html
RMRHM1MK–. The Biological bulletin. Biology; Zoology; Marine biology. SELECTIVE FEEDING BY VELIGER LARVAE 0 487. Figure 3. Choice among three different species of algal food by veliger larvae of the gas- tropod Nassarius obsolctus with a shell length between 400 fi and 600 n (creeping-swimming stage). For explanation see text. The size of the microorganisms which may be ingested is Hmited by the diam- eter of the mouth and intestine of the larvae. Thorson (1946, p. 447) sum- marizes data on the diameter of the esophagus and anterior portion of the intestine Table III Relative volume of cells consumed b
. The ecology of Tijuana Estuary, California : a national estuarine research reserve. Estuarine ecology -- California Tijuana River Estuary. Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from left to Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-ecology-of-tijuana-estuary-california-a-national-estuarine-research-reserve-estuarine-ecology-california-tijuana-river-estuary-figure-320-the-channels-suport-a-wide-variety-of-animals-illustrated-are-mullet-in-the-water-column-and-benthic-animals-from-left-to-right-the-horn-snail-sea-hare-aplysia-mud-snails-nassarius-sand-dollars-hermit-crabs-pagurus-egg-cockle-laevicardium-sea-cucumber-molpadia-and-its-commensal-pea-crab-pinnixia-barnharti-and-the-crab-cancer-productus-with-attached-mussels-mytilus-edulis-burrowing-in-the-sediments-are-from-left-to-image232337322.html
RMRDYTHE–. The ecology of Tijuana Estuary, California : a national estuarine research reserve. Estuarine ecology -- California Tijuana River Estuary. Figure 3.20. The channels suport a wide variety of animals. Illustrated are mullet in the water column and benthic animals, from left to right: the horn snail, sea hare (Aplysia), mud snails (Nassarius), sand dollars, hermit crabs (Pagurus), egg cockle (Laevicardium), sea cucumber (Molpadia) and its commensal pea crab (Pinnixia barnharti), and the crab (Cancer productus) with attached mussels (Mytilus edulis). Burrowing in the sediments are, from left to
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 119 and 40%, respectively, whereas at concentrations of only 25, 50, and 100 /d./40 ml., Solution A-lactate induced responses of 42%, 60%, and 55%-, respectively, and Solution A-betaine induced responses of 20%, 43%, and 47%, respectively. The Solution A-lactate combination was seemingly more effective than the Solution A-betaine combination; however, a Potency Probit Analysis showed that neither of the latter combinations was significantly less effective than the Solution A- 90 80- LU co Q. CO 60 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-chemoreception-in-nassarius-119-and-40-respectively-whereas-at-concentrations-of-only-25-50-and-100-d40-ml-solution-a-lactate-induced-responses-of-42-60-and-55-respectively-and-solution-a-betaine-induced-responses-of-20-43-and-47-respectively-the-solution-a-lactate-combination-was-seemingly-more-effective-than-the-solution-a-betaine-combination-however-a-potency-probit-analysis-showed-that-neither-of-the-latter-combinations-was-significantly-less-effective-than-the-solution-a-90-80-lu-co-q-co-60-image234638715.html
RMRHMM23–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHEMORECEPTION IN NASSARIUS 119 and 40%, respectively, whereas at concentrations of only 25, 50, and 100 /d./40 ml., Solution A-lactate induced responses of 42%, 60%, and 55%-, respectively, and Solution A-betaine induced responses of 20%, 43%, and 47%, respectively. The Solution A-lactate combination was seemingly more effective than the Solution A-betaine combination; however, a Potency Probit Analysis showed that neither of the latter combinations was significantly less effective than the Solution A- 90 80- LU co Q. CO 60
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TEMPERATURE AND LARVAL DEVELOPMENT 257 30< 20< 10'. i 10 DAYS 12 14 18 FIGURE 2. Time in days required between spawning and emergence of Nassarius obsolctus larvae from egg capsules as a function of temperature (° C). The points indicate the number of days necessary for emergence of 50% of the larvae. Results are from two geographically isolated regions, Beaufort, North Carolina (O) and Cape Cod, Massachusetts (D)- No significant difference is discernible in the results between egg capsules obtained from the two popula Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-temperature-and-larval-development-257-30lt-20lt-10-i-10-days-12-14-18-figure-2-time-in-days-required-between-spawning-and-emergence-of-nassarius-obsolctus-larvae-from-egg-capsules-as-a-function-of-temperature-c-the-points-indicate-the-number-of-days-necessary-for-emergence-of-50-of-the-larvae-results-are-from-two-geographically-isolated-regions-beaufort-north-carolina-o-and-cape-cod-massachusetts-d-no-significant-difference-is-discernible-in-the-results-between-egg-capsules-obtained-from-the-two-popula-image234663745.html
RMRHNT01–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TEMPERATURE AND LARVAL DEVELOPMENT 257 30< 20< 10'. i 10 DAYS 12 14 18 FIGURE 2. Time in days required between spawning and emergence of Nassarius obsolctus larvae from egg capsules as a function of temperature (° C). The points indicate the number of days necessary for emergence of 50% of the larvae. Results are from two geographically isolated regions, Beaufort, North Carolina (O) and Cape Cod, Massachusetts (D)- No significant difference is discernible in the results between egg capsules obtained from the two popula
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 96 RUDOLF S. SCHELTEMA TABLE I Percentage metamorphosis of Nassarius obsoletus hi the presence of of natural substratum (results from ninety-four experiments} Experimental condition Natural substratum Without substratum Per cent mortality 2.1 1.4 Mean per cent metamorphosed* 70.0 ± 2.4 18.9 ± 1.4 * One standard error is indicated on all values throughout this paper. juvenile Ar. obsoletus are found in nature, the percentage metamorphosis is very significantly greater than in controls without such natural substratum. The re- Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-96-rudolf-s-scheltema-table-i-percentage-metamorphosis-of-nassarius-obsoletus-hi-the-presence-of-of-natural-substratum-results-from-ninety-four-experiments-experimental-condition-natural-substratum-without-substratum-per-cent-mortality-21-14-mean-per-cent-metamorphosed-700-24-189-14-one-standard-error-is-indicated-on-all-values-throughout-this-paper-juvenile-ar-obsoletus-are-found-in-nature-the-percentage-metamorphosis-is-very-significantly-greater-than-in-controls-without-such-natural-substratum-the-re-image234639618.html
RMRHMN6A–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 96 RUDOLF S. SCHELTEMA TABLE I Percentage metamorphosis of Nassarius obsoletus hi the presence of of natural substratum (results from ninety-four experiments} Experimental condition Natural substratum Without substratum Per cent mortality 2.1 1.4 Mean per cent metamorphosed* 70.0 ± 2.4 18.9 ± 1.4 * One standard error is indicated on all values throughout this paper. juvenile Ar. obsoletus are found in nature, the percentage metamorphosis is very significantly greater than in controls without such natural substratum. The re-
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. NASSARIUS INTERTIDAL DEVELOPMENT 287 weight loss (mg/30 sec) and "initial" egg capsule weight was 0.82 (F = 80.85; N - • 40 experiments). Placement of egg capsules in (lie laboratory Capsules were not deposited randomly on the plastic containers (Table III). The differences in the numbers of capsules received by each surface of the container are significant at the 0.01 level, as tested by analysis of variance (d.f. = = 11,96; F = 4.7). Statistical comparisons reveal two behavioral phenomena associated with capsule Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-nassarius-intertidal-development-287-weight-loss-mg30-sec-and-quotinitialquot-egg-capsule-weight-was-082-f-=-8085-n-40-experiments-placement-of-egg-capsules-in-lie-laboratory-capsules-were-not-deposited-randomly-on-the-plastic-containers-table-iii-the-differences-in-the-numbers-of-capsules-received-by-each-surface-of-the-container-are-significant-at-the-001-level-as-tested-by-analysis-of-variance-df-=-=-1196-f-=-47-statistical-comparisons-reveal-two-behavioral-phenomena-associated-with-capsule-image234649141.html
RMRHN5AD–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. NASSARIUS INTERTIDAL DEVELOPMENT 287 weight loss (mg/30 sec) and "initial" egg capsule weight was 0.82 (F = 80.85; N - • 40 experiments). Placement of egg capsules in (lie laboratory Capsules were not deposited randomly on the plastic containers (Table III). The differences in the numbers of capsules received by each surface of the container are significant at the 0.01 level, as tested by analysis of variance (d.f. = = 11,96; F = 4.7). Statistical comparisons reveal two behavioral phenomena associated with capsule
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 350 RUDO1 }•' S. SCHELTEMA No larvae survived beyond the intermediate stage of development in laboratory culture, although growth proceeded up until the ninth day at 17',7%o salinity. The inhibition of growth attributable to the reduction of salinity amounted on the average to about 20%. 100 80- 60- 40- Nassarius Obsoletus. 60- 40- 20- Venus Mercenaria , 30 ! 35 SALINITY %0 FIGURE 5. Percentage growth obtained at various reduced salinities relative to the maximum growth obtained at optimal salinity conditions in the gastropo Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-350-rudo1-s-scheltema-no-larvae-survived-beyond-the-intermediate-stage-of-development-in-laboratory-culture-although-growth-proceeded-up-until-the-ninth-day-at-177o-salinity-the-inhibition-of-growth-attributable-to-the-reduction-of-salinity-amounted-on-the-average-to-about-20-100-80-60-40-nassarius-obsoletus-60-40-20-venus-mercenaria-30-!-35-salinity-0-figure-5-percentage-growth-obtained-at-various-reduced-salinities-relative-to-the-maximum-growth-obtained-at-optimal-salinity-conditions-in-the-gastropo-image234652940.html
RMRHNA64–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 350 RUDO1 }•' S. SCHELTEMA No larvae survived beyond the intermediate stage of development in laboratory culture, although growth proceeded up until the ninth day at 17',7%o salinity. The inhibition of growth attributable to the reduction of salinity amounted on the average to about 20%. 100 80- 60- 40- Nassarius Obsoletus. 60- 40- 20- Venus Mercenaria , 30 ! 35 SALINITY %0 FIGURE 5. Percentage growth obtained at various reduced salinities relative to the maximum growth obtained at optimal salinity conditions in the gastropo
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 55, Part 2, 1956. PLATE 31 Nassarius hildegardae sp. nov. Holotype L.A. Co. Museum #1110 Nassarius hildegardae sp. nov. Holotype: The holotype No. 1110 in the Los Angeles County Museum collected by the author May 10, 1954 (pi. 31). Type Locality: LACMIP 291. Age and Formation: Upper Pliocene, Pico formation. Diagnosis: Shell smallest in the genus, elongate-conic; whorls seven, flattened-convex, four of them with nigosely cancellated sculpture; ribs Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bulletin-of-the-southern-california-academy-of-sciences-science-natural-history-natural-history-bulletin-so-calif-academy-of-sciences-vol-55-part-2-1956-plate-31-nassarius-hildegardae-sp-nov-holotype-la-co-museum-1110-nassarius-hildegardae-sp-nov-holotype-the-holotype-no-1110-in-the-los-angeles-county-museum-collected-by-the-author-may-10-1954-pi-31-type-locality-lacmip-291-age-and-formation-upper-pliocene-pico-formation-diagnosis-shell-smallest-in-the-genus-elongate-conic-whorls-seven-flattened-convex-four-of-them-with-nigosely-cancellated-sculpture-ribs-image233848084.html
RMRGCKH8–. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Bulletin, So. Calif. Academy of Sciences Vol. 55, Part 2, 1956. PLATE 31 Nassarius hildegardae sp. nov. Holotype L.A. Co. Museum #1110 Nassarius hildegardae sp. nov. Holotype: The holotype No. 1110 in the Los Angeles County Museum collected by the author May 10, 1954 (pi. 31). Type Locality: LACMIP 291. Age and Formation: Upper Pliocene, Pico formation. Diagnosis: Shell smallest in the genus, elongate-conic; whorls seven, flattened-convex, four of them with nigosely cancellated sculpture; ribs
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 356 MARY CRISP OBSERVATIONS Movements of Nassarius obsoletus in Barnstable Harbor The snails were observed on five occasions on the extensive mud-sand flats of Barnstable which are exposed only at low tide. Spartina alterniflora grows on the higher banks and is also covered at high tide.. FIGURE 1. Sketch Map of Nassarius Area A. Source of diatomaceous mud. B. Source of purple bacteria mud. C. Shallow stream. D. Small bank. E. Main stream. F. Main bank. Heavy stipple indicates land. Horizontal hatching indicates marsh. Dotte Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-356-mary-crisp-observations-movements-of-nassarius-obsoletus-in-barnstable-harbor-the-snails-were-observed-on-five-occasions-on-the-extensive-mud-sand-flats-of-barnstable-which-are-exposed-only-at-low-tide-spartina-alterniflora-grows-on-the-higher-banks-and-is-also-covered-at-high-tide-figure-1-sketch-map-of-nassarius-area-a-source-of-diatomaceous-mud-b-source-of-purple-bacteria-mud-c-shallow-stream-d-small-bank-e-main-stream-f-main-bank-heavy-stipple-indicates-land-horizontal-hatching-indicates-marsh-dotte-image234620504.html
RMRHKTRM–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 356 MARY CRISP OBSERVATIONS Movements of Nassarius obsoletus in Barnstable Harbor The snails were observed on five occasions on the extensive mud-sand flats of Barnstable which are exposed only at low tide. Spartina alterniflora grows on the higher banks and is also covered at high tide.. FIGURE 1. Sketch Map of Nassarius Area A. Source of diatomaceous mud. B. Source of purple bacteria mud. C. Shallow stream. D. Small bank. E. Main stream. F. Main bank. Heavy stipple indicates land. Horizontal hatching indicates marsh. Dotte
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. RELATIONS! I IF' OF SALINITY TO LARVAL SURVIVAL 343 100r 80 60 <0 ^ kj 40 20. 10 20 SALINITY %0 30 FIGURE 2. Inhibition of swimming in larvae of Nassarius obsolctus resulting from reduced salinity at 25-26° C. The larvae are those taken shortly after their emergence from the egg capsule. The results are following a 10-hour exposure period. Larvae for all the experiments originated from water of 32%c salinity. At the end of 10 hours the dish containing the larvae was placed under a bright light and those swimming were coun Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-relations!-i-if-of-salinity-to-larval-survival-343-100r-80-60-lt0-kj-40-20-10-20-salinity-0-30-figure-2-inhibition-of-swimming-in-larvae-of-nassarius-obsolctus-resulting-from-reduced-salinity-at-25-26-c-the-larvae-are-those-taken-shortly-after-their-emergence-from-the-egg-capsule-the-results-are-following-a-10-hour-exposure-period-larvae-for-all-the-experiments-originated-from-water-of-32c-salinity-at-the-end-of-10-hours-the-dish-containing-the-larvae-was-placed-under-a-bright-light-and-those-swimming-were-coun-image234652977.html
RMRHNA7D–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. RELATIONS! I IF' OF SALINITY TO LARVAL SURVIVAL 343 100r 80 60 <0 ^ kj 40 20. 10 20 SALINITY %0 30 FIGURE 2. Inhibition of swimming in larvae of Nassarius obsolctus resulting from reduced salinity at 25-26° C. The larvae are those taken shortly after their emergence from the egg capsule. The results are following a 10-hour exposure period. Larvae for all the experiments originated from water of 32%c salinity. At the end of 10 hours the dish containing the larvae was placed under a bright light and those swimming were coun
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 260 RUDOLF S. SCHELTEMA of development (i.e., the attainment of 700/x) is primarily dependent on a settle- ment response of the larvae. This is further discussed below. All the experiments, including those of the first series above for which no data have thus far been given, are summarized in Table I. The data from all these 4,000 900 800 700 LENGTH 600 500 400 300 I I. t 20 30 DAYS FIGURE 4. Cumulative growth curves of the planktonic veliger larvae of Nassarius obsoletus. The upper curve (O) represents cumulative growth at Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-260-rudolf-s-scheltema-of-development-ie-the-attainment-of-700x-is-primarily-dependent-on-a-settle-ment-response-of-the-larvae-this-is-further-discussed-below-all-the-experiments-including-those-of-the-first-series-above-for-which-no-data-have-thus-far-been-given-are-summarized-in-table-i-the-data-from-all-these-4000-900-800-700-length-600-500-400-300-i-i-t-20-30-days-figure-4-cumulative-growth-curves-of-the-planktonic-veliger-larvae-of-nassarius-obsoletus-the-upper-curve-o-represents-cumulative-growth-at-image234663713.html
RMRHNRXW–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 260 RUDOLF S. SCHELTEMA of development (i.e., the attainment of 700/x) is primarily dependent on a settle- ment response of the larvae. This is further discussed below. All the experiments, including those of the first series above for which no data have thus far been given, are summarized in Table I. The data from all these 4,000 900 800 700 LENGTH 600 500 400 300 I I. t 20 30 DAYS FIGURE 4. Cumulative growth curves of the planktonic veliger larvae of Nassarius obsoletus. The upper curve (O) represents cumulative growth at
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 78 N. W. BLACKSTONE cv H 027 w 21 B c/3 + '" X 12 1 £9 CO CAROLINAS. POLINICES • • ILYANASSA, NASSARIUS, UROSALPINX " - LITTORINA IRRORATA * • LITTORINA LITTOREA fyy*** « •sU T+ J"*^. * x *< -« J-t-*4- ^ * + x+ + ^ * + V**"+ + + LONG ISLAND SOUND. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marine Biological Laboratory (Woods H Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-78-n-w-blackstone-cv-h-027-w-21-b-c3-quot-x-12-1-9-co-carolinas-polinices-ilyanassa-nassarius-urosalpinx-quot-littorina-irrorata-littorina-littorea-fyy-su-t-jquot-x-lt-j-t-4-x-vquot-long-island-sound-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-marine-biological-laboratory-woods-h-image234647650.html
RMRHN3D6–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 78 N. W. BLACKSTONE cv H 027 w 21 B c/3 + '" X 12 1 £9 CO CAROLINAS. POLINICES • • ILYANASSA, NASSARIUS, UROSALPINX " - LITTORINA IRRORATA * • LITTORINA LITTOREA fyy*** « •sU T+ J"*^. * x *< -« J-t-*4- ^ * + x+ + ^ * + V**"+ + + LONG ISLAND SOUND. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marine Biological Laboratory (Woods H
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A SECOND ASSEMBLAGE OF PLIOCENE INVERTEBRATE FOSSILS 195 Material One damaged specimen, outer lip broken, length 3,3 mm, width 1,8 mm. Remarks The specimen agrees well with material of N. plebeja (Thiele) from Port Elizabeth, and with Barnard's (1959: 106) description. As this living species has only been recorded from relatively deep water (80-100 metres) no certainty can be placed on this identification. Nassarius sp. Fig. 6 Description Protoconch plus A whorls, outer lip and base of shell damaged Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annals-of-the-south-african-museum-=-annale-van-die-suid-afrikaanse-museum-natural-history-a-second-assemblage-of-pliocene-invertebrate-fossils-195-material-one-damaged-specimen-outer-lip-broken-length-33-mm-width-18-mm-remarks-the-specimen-agrees-well-with-material-of-n-plebeja-thiele-from-port-elizabeth-and-with-barnards-1959-106-description-as-this-living-species-has-only-been-recorded-from-relatively-deep-water-80-100-metres-no-certainty-can-be-placed-on-this-identification-nassarius-sp-fig-6-description-protoconch-plus-a-whorls-outer-lip-and-base-of-shell-damaged-image236496198.html
RMRMN98P–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A SECOND ASSEMBLAGE OF PLIOCENE INVERTEBRATE FOSSILS 195 Material One damaged specimen, outer lip broken, length 3,3 mm, width 1,8 mm. Remarks The specimen agrees well with material of N. plebeja (Thiele) from Port Elizabeth, and with Barnard's (1959: 106) description. As this living species has only been recorded from relatively deep water (80-100 metres) no certainty can be placed on this identification. Nassarius sp. Fig. 6 Description Protoconch plus A whorls, outer lip and base of shell damaged