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Astacilla Stock Photos and Images

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Astacilla Stock Photos and Images

Astacilla longicornis Stock Photo
RMEJP88Y–Astacilla longicornis
Astacilla mediterranea isopod, Numana, Italy Stock Photo
RM2HXMH87–Astacilla mediterranea isopod, Numana, Italy
Arcturid Isopod, Astacilla spinata, in coral, Wreck Slope dive site, Tulamben, Karangasem, Bali, Indonesia Stock Photo
RM2T9PXCA–Arcturid Isopod, Astacilla spinata, in coral, Wreck Slope dive site, Tulamben, Karangasem, Bali, Indonesia
Long-horn isopod, Astacilla longicornis (Oniscus longicornis). Handcoloured copperplate engraving by James Sowerby from The British Miscellany, or Coloured figures of new, rare, or little known animal subjects, London, 1804. Stock Photo
RMHH423J–Long-horn isopod, Astacilla longicornis (Oniscus longicornis). Handcoloured copperplate engraving by James Sowerby from The British Miscellany, or Coloured figures of new, rare, or little known animal subjects, London, 1804.
Astacilla longicornis Stock Photo
RM2B5X4PT–Astacilla longicornis
Report on the marine Isopoda of New England and adjacent waters . of the second pair, from a male, enlarged twenty di-ameters; *, stylet, articulated near the base of the inner lamella; «,distal end of stylet, enlarged sixty-six diameters. 48.—Astacilla granulata Harger (p. 364); female; dorsal view, enlarged fourdiameters, natural size indicated by the line at the right; a, antennulaof male; b, fourth thoracic segment of male; c, inferior surface of pleonof a male, showing opercular valves; all the figures enlarged fourdiameters. 49.—The same; a, flagellum of antenna, enlarged twenty diameter Stock Photo
RM2ANJ5H9–Report on the marine Isopoda of New England and adjacent waters . of the second pair, from a male, enlarged twenty di-ameters; *, stylet, articulated near the base of the inner lamella; «,distal end of stylet, enlarged sixty-six diameters. 48.—Astacilla granulata Harger (p. 364); female; dorsal view, enlarged fourdiameters, natural size indicated by the line at the right; a, antennulaof male; b, fourth thoracic segment of male; c, inferior surface of pleonof a male, showing opercular valves; all the figures enlarged fourdiameters. 49.—The same; a, flagellum of antenna, enlarged twenty diameter
Long-horn isopod, Astacilla longicornis (Oniscus longicornis). Handcoloured copperplate engraving by James Sowerby from The British Miscellany, or Coloured figures of new, rare, or little known animal subjects, London, 1804. Stock Photo
RMP9G80F–Long-horn isopod, Astacilla longicornis (Oniscus longicornis). Handcoloured copperplate engraving by James Sowerby from The British Miscellany, or Coloured figures of new, rare, or little known animal subjects, London, 1804.
. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 65 som det sidste Led i Stammen, og Svøbens 1. Led er iflg. Sars ikke dobbelt saa lang som de to næste tilsammen (i det eneste danske Eksemplar er de to øverste Led tilsammen. Fig. 15. 1-9: Astacilla longicornis (1-2: ? fra Ryggen og Siden; 3: 1. Følehorn; 4: Kindbakke; 5-7: 1., 2. og 6. Kropben; 8: Sidste Halefod; 9: <?). — 10-11: A. affmis (? og 1. Kropben). — 12-14: Arcturella dilatata (? fra Ryggen og Siden; cj). (Efter Sars). K. Stephensen: Tanglus og Tanaider. 5. Please note that these images are extracted from sc Stock Photo
RMPFHFHE–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 65 som det sidste Led i Stammen, og Svøbens 1. Led er iflg. Sars ikke dobbelt saa lang som de to næste tilsammen (i det eneste danske Eksemplar er de to øverste Led tilsammen. Fig. 15. 1-9: Astacilla longicornis (1-2: ? fra Ryggen og Siden; 3: 1. Følehorn; 4: Kindbakke; 5-7: 1., 2. og 6. Kropben; 8: Sidste Halefod; 9: <?). — 10-11: A. affmis (? og 1. Kropben). — 12-14: Arcturella dilatata (? fra Ryggen og Siden; cj). (Efter Sars). K. Stephensen: Tanglus og Tanaider. 5. Please note that these images are extracted from sc
Crustacea. Phronima sedentaria; Corophium longicome; Cyamus Ceti, print 1860 Stock Photo
RFGK1657–Crustacea. Phronima sedentaria; Corophium longicome; Cyamus Ceti, print 1860
Astacilla mediterranea isopod, Numana, Italy Stock Photo
RM2HXMH8K–Astacilla mediterranea isopod, Numana, Italy
Astacilla longicornis Stock Photo
RM2B5X4PA–Astacilla longicornis
Report on the marine Isopoda of New England and adjacent waters . Ko.965,. No. 194 2*0.936. PLATE IX. FIGURE52.—Astacilla granulata Harger (p. 364); a, maxilliped; m, basal segment;I, external lamella; b, outer maxilla; c, inner maxilla; all enlargedtwenty diameters. 53.—Sphaeroma qnadridentatum Say (p. 368); dorsal view, enlarged fivediameters; natural size indicated by the line at the right. 54.—The sam«k$ a, antennula; b, antenna; c, pleopod of the second pair, froma male, showing stylet, s, articulated near the base of the inner lamella;all the figures enlarged ten diameters. 55.—Limnoria Stock Photo
RM2ANJ562–Report on the marine Isopoda of New England and adjacent waters . Ko.965,. No. 194 2*0.936. PLATE IX. FIGURE52.—Astacilla granulata Harger (p. 364); a, maxilliped; m, basal segment;I, external lamella; b, outer maxilla; c, inner maxilla; all enlargedtwenty diameters. 53.—Sphaeroma qnadridentatum Say (p. 368); dorsal view, enlarged fivediameters; natural size indicated by the line at the right. 54.—The sam«k$ a, antennula; b, antenna; c, pleopod of the second pair, froma male, showing stylet, s, articulated near the base of the inner lamella;all the figures enlarged ten diameters. 55.—Limnoria
. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea -- Norway. Arciuridaa. I s opo da. PI. 36. G.O. S srs, autogr Astacilla longicornis , ( Sowb.).. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer Stock Photo
RMRR4BEA–. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea -- Norway. Arciuridaa. I s opo da. PI. 36. G.O. S srs, autogr Astacilla longicornis , ( Sowb.).. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEIRING NAUDE CRUISES 231. Fig. 8. Astacilla eminentia sp. nov. A. Pereopod 1. B. Pereopod 2. C. Pereopod 7.. 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 Photo
RMRMJGH6–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEIRING NAUDE CRUISES 231. Fig. 8. Astacilla eminentia sp. nov. A. Pereopod 1. B. Pereopod 2. C. Pereopod 7.. 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
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEJRING NAUDE CRUISES 233. Fig. 9. Astacilla mediterranea Koehler A. Female, lateral view. B. Male, lateral view. C. Pleopod 1 male. D. Pleopod 2 male (immature).. 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 Photo
RMRMJGH1–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEJRING NAUDE CRUISES 233. Fig. 9. Astacilla mediterranea Koehler A. Female, lateral view. B. Male, lateral view. C. Pleopod 1 male. D. Pleopod 2 male (immature).. 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
. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea -- Norway. Arciuridae. I s op o da.. PI. 37.. G.O.Sars, autogr. 1. Astacilla arietina G.O.Sars, 2. „ affinis,G.O.Sars 3 „ pusilla, G O.Sars.. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer Stock Photo
RMRR4BE0–. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea -- Norway. Arciuridae. I s op o da.. PI. 37.. G.O.Sars, autogr. 1. Astacilla arietina G.O.Sars, 2. „ affinis,G.O.Sars 3 „ pusilla, G O.Sars.. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer
. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea. Arciuridae. I s op o da.. PI. 37.. G.O. S ers, autogr 1. Astacilla arietina G.O.Sars. 2. ., affinis .G.O.Sars. 3 „ pusilla, G O.Sars.. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer Stock Photo
RMRR4BHM–. An account of the Crustacea of Norway, with short descriptions and figures of all the species. Crustacea. Arciuridae. I s op o da.. PI. 37.. G.O. S ers, autogr 1. Astacilla arietina G.O.Sars. 2. ., affinis .G.O.Sars. 3 „ pusilla, G O.Sars.. 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.. Sars, G. O. (Georg Ossian), 1837-1927. Christiania, Copenhagen, A. Cammermeyer
. Bulletin - United States National Museum. Science. 324 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. ANALYTICAL KEY TO THE 8PECIES OF THE GENUS ASTACILLA. a. With eyes. Head excavate in front, without rostriforin point. Fourth thoracic segment suhcyhndrical. Terminal abdominal segment with a prominent, subacute tooth on each side above the middle, directed outward and backward; extremity obtuse Astucilla granulata (G. 0. Sars) a^. Without eyes. Head with a rostriform point in front, between the antennulse. Fourth thoracic segment wider at the anterior end, and tapering to the poste- rior end. Stock Photo
RMRG7YW7–. Bulletin - United States National Museum. Science. 324 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. ANALYTICAL KEY TO THE 8PECIES OF THE GENUS ASTACILLA. a. With eyes. Head excavate in front, without rostriforin point. Fourth thoracic segment suhcyhndrical. Terminal abdominal segment with a prominent, subacute tooth on each side above the middle, directed outward and backward; extremity obtuse Astucilla granulata (G. 0. Sars) a^. Without eyes. Head with a rostriform point in front, between the antennulse. Fourth thoracic segment wider at the anterior end, and tapering to the poste- rior end.
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 226 ANNALS OF THE SOUTH AFRICAN MUSEUM. Fig. 5. Astacilla corniger (Stebbing) A. Female, lateral view. B. Male, lateral view. C. Pereonite 4, male, ventral view. D. Pleotelson, dorsal view. E. Pleopod 1 male. F. Pleopod 2 male. 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 Mus Stock Photo
RMRMJGJ3–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 226 ANNALS OF THE SOUTH AFRICAN MUSEUM. Fig. 5. Astacilla corniger (Stebbing) A. Female, lateral view. B. Male, lateral view. C. Pereonite 4, male, ventral view. D. Pleotelson, dorsal view. E. Pleopod 1 male. F. Pleopod 2 male. 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 Mus
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. MARINE ISOPODA FROM THE CONTINENTAL SHELF OF SOUTH AFRICA 63. Fig. 13. Neastacilla tranquilla sp. nov. a. $, dorsal view; b. ?, lateral view; c. apex of uropod; d. maxilliped. having peraeonal segment I fused with the head (the fusion marked by a shallow groove), the pleon consisting of three fused segments plus pleo-telson, and the inner ramus of the uropod bearing a long apical seta. The material does, however, show characteristics of species of Astacilla. These include the presence of a short late Stock Photo
RMRMKBM1–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. MARINE ISOPODA FROM THE CONTINENTAL SHELF OF SOUTH AFRICA 63. Fig. 13. Neastacilla tranquilla sp. nov. a. $, dorsal view; b. ?, lateral view; c. apex of uropod; d. maxilliped. having peraeonal segment I fused with the head (the fusion marked by a shallow groove), the pleon consisting of three fused segments plus pleo-telson, and the inner ramus of the uropod bearing a long apical seta. The material does, however, show characteristics of species of Astacilla. These include the presence of a short late
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A ^ B Fig. 6. Astacilla corniger (Stebbing) A. Pereopod 2. B. Pereopod 1. two large lateral slightly flattened apically acute tubercles flanking shorter rounded middorsal tubercle; two large conical submedian dorsal tubercles near posterior margin; four or five low, rounded tubercles laterally; coxal plate form- ing major part of brood-pouch, with row of low tubercles near articulation. Pereo- nites 5-7 each with short conical middorsal tubercle, and low lateral tubercle; sideplates rounded. Pleon co Stock Photo
RMRMJGHP–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A ^ B Fig. 6. Astacilla corniger (Stebbing) A. Pereopod 2. B. Pereopod 1. two large lateral slightly flattened apically acute tubercles flanking shorter rounded middorsal tubercle; two large conical submedian dorsal tubercles near posterior margin; four or five low, rounded tubercles laterally; coxal plate form- ing major part of brood-pouch, with row of low tubercles near articulation. Pereo- nites 5-7 each with short conical middorsal tubercle, and low lateral tubercle; sideplates rounded. Pleon co
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEIRING NAUDE CRUISES 229. Fig. 7. Astacilla eminentia sp. nov. A. Male, lateral view. B. Anterior margin of head. C. Pereonite 4 male, ventral view. D. Pereonite 4 female. E. Pleotelson, dorsal view. F. Pleopod 1 male. G. Pleopod 2 male. H. Uropodal rami. 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 o Stock Photo
RMRMJGHC–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. THE SOUTH AFRICAN MUSEUM'S MEIRING NAUDE CRUISES 229. Fig. 7. Astacilla eminentia sp. nov. A. Male, lateral view. B. Anterior margin of head. C. Pereonite 4 male, ventral view. D. Pereonite 4 female. E. Pleotelson, dorsal view. F. Pleopod 1 male. G. Pleopod 2 male. H. Uropodal rami. 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 o
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. *mm t||((o mu Fig. 2. Astacilla marionis. A. Pleopod 1 male. B. Pleopod male. Astacilla marionis Beddard Fig. 2 Astacilla marionis Beddard, 1886: 107, pi. 25 (fig. 5). Studer, 1889: 159. Tattersall, 1921: 243. Nordenstam, 1933: 121. Astacilla kerguelensis Vanhoffen, 1914: 523, fig. 54. Tattersall, 1921: 243. Nordenstam, 1933: 121. Hale, 1946: 172, figs 5-6. Kussakin, 1967: 299. Astacilla kerguelenensis [sic]: Carvacho, 1977: 179. Previous records Kerguelen Island, 4-183 m; Marion Island, 200 m. Rema Stock Photo
RMRMK9EY–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. *mm t||((o mu Fig. 2. Astacilla marionis. A. Pleopod 1 male. B. Pleopod male. Astacilla marionis Beddard Fig. 2 Astacilla marionis Beddard, 1886: 107, pi. 25 (fig. 5). Studer, 1889: 159. Tattersall, 1921: 243. Nordenstam, 1933: 121. Astacilla kerguelensis Vanhoffen, 1914: 523, fig. 54. Tattersall, 1921: 243. Nordenstam, 1933: 121. Hale, 1946: 172, figs 5-6. Kussakin, 1967: 299. Astacilla kerguelenensis [sic]: Carvacho, 1977: 179. Previous records Kerguelen Island, 4-183 m; Marion Island, 200 m. Rema
. Bulletin - United States National Museum. Science. ASTACILLA Ci^CA Benedict. Astacilla cseca Benebict, Proc. Biol. Soc. Washington, XII, 1898, p. 51.—Richard- son, American Naturalist, XXXIV, 1890, p. 230; Proc. U. S. Nat. Mas., XXni, 1901, p. 550. Locality.—j2ittx&e 38^ 22' north, longitude 70^ 17' 30" west (south of Marthas Vine3^ard). Dej)th.l,8'-25 fathoms. Body narrow, elong-ate, live times longer than wide, 2 mm.: 9^ mm. Head wider than long, 1 mm. : li mm., with the anterior margin deeply excavate between the produced antero-lateral angles, and a small median point w ithi Stock Photo
RMRG7YRG–. Bulletin - United States National Museum. Science. ASTACILLA Ci^CA Benedict. Astacilla cseca Benebict, Proc. Biol. Soc. Washington, XII, 1898, p. 51.—Richard- son, American Naturalist, XXXIV, 1890, p. 230; Proc. U. S. Nat. Mas., XXni, 1901, p. 550. Locality.—j2ittx&e 38^ 22' north, longitude 70^ 17' 30" west (south of Marthas Vine3^ard). Dej)th.l,8'-25 fathoms. Body narrow, elong-ate, live times longer than wide, 2 mm.: 9^ mm. Head wider than long, 1 mm. : li mm., with the anterior margin deeply excavate between the produced antero-lateral angles, and a small median point w ithi
. Bulletin - United States National Museum. Science. 326 BULLETIN 54, UNITED STATES NATIONAL MUSEUM.. ASTACILLA Ci^CA Benedict. Astacilla cseca Benebict, Proc. Biol. Soc. Washington, XII, 1898, p. 51.—Richard- son, American Naturalist, XXXIV, 1890, p. 230; Proc. U. S. Nat. Mas., XXni, 1901, p. 550. Locality.—j2ittx&e 38^ 22' north, longitude 70^ 17' 30" west (south of Marthas Vine3^ard). Dej)th.l,8'-25 fathoms. Body narrow, elong-ate, live times longer than wide, 2 mm.: 9^ mm. Head wider than long, 1 mm. : li mm., with the anterior margin deeply excavate between the produced anter Stock Photo
RMRG7YT3–. Bulletin - United States National Museum. Science. 326 BULLETIN 54, UNITED STATES NATIONAL MUSEUM.. ASTACILLA Ci^CA Benedict. Astacilla cseca Benebict, Proc. Biol. Soc. Washington, XII, 1898, p. 51.—Richard- son, American Naturalist, XXXIV, 1890, p. 230; Proc. U. S. Nat. Mas., XXni, 1901, p. 550. Locality.—j2ittx&e 38^ 22' north, longitude 70^ 17' 30" west (south of Marthas Vine3^ard). Dej)th.l,8'-25 fathoms. Body narrow, elong-ate, live times longer than wide, 2 mm.: 9^ mm. Head wider than long, 1 mm. : li mm., with the anterior margin deeply excavate between the produced anter
. Bulletin de l'Institut océanographique. Ocean. postérieur et inférieur quelques soies plumeuses, mais il ne s'est pas détaché du reste de l'oostégite pour former une pièce indépendante comme chez YArcturella damnoniensis ; sous ce rapport, le troisième oostégite de YArcturella dilatata rappelle ce que nous avons vu chez les Astacilla longicornis et gr'a- juilata. La bordure marginale est plus mince que chez VA. damnoniensis. Le deuxième oosté- gite est représenté par une lame mince, ovalaire, beaucoup plus petite que le troisième oostégite, et le premier est très peu dévelo Stock Photo
RMRGT29X–. Bulletin de l'Institut océanographique. Ocean. postérieur et inférieur quelques soies plumeuses, mais il ne s'est pas détaché du reste de l'oostégite pour former une pièce indépendante comme chez YArcturella damnoniensis ; sous ce rapport, le troisième oostégite de YArcturella dilatata rappelle ce que nous avons vu chez les Astacilla longicornis et gr'a- juilata. La bordure marginale est plus mince que chez VA. damnoniensis. Le deuxième oosté- gite est représenté par une lame mince, ovalaire, beaucoup plus petite que le troisième oostégite, et le premier est très peu dévelo
. Bulletin de l'Institut océanographique. Ocean. plus loin sont naturellement étudiés en leurs lieu et place, et je ne mentionnerai, en ce moment, que les caractères observés par moi sur les espèces déjà connues et qui sont : Astacilla longicornis (Sowerby), Astacilla granulata (Sars), Astacilla Deshayesii (Lucas), Arcturella dilatata Sars et Arcturella dam- noniensis (Stebbing) ; j'y ajouterai Y Astacilla Giardi Bonnier, mais, ainsi que je le montrerai, cette espèce doit être rangée dans un autre genre. Dans toutes ces espèces, j'ai reconnu, et cela d'une manière constante, que le Stock Photo
RMRGT2AN–. Bulletin de l'Institut océanographique. Ocean. plus loin sont naturellement étudiés en leurs lieu et place, et je ne mentionnerai, en ce moment, que les caractères observés par moi sur les espèces déjà connues et qui sont : Astacilla longicornis (Sowerby), Astacilla granulata (Sars), Astacilla Deshayesii (Lucas), Arcturella dilatata Sars et Arcturella dam- noniensis (Stebbing) ; j'y ajouterai Y Astacilla Giardi Bonnier, mais, ainsi que je le montrerai, cette espèce doit être rangée dans un autre genre. Dans toutes ces espèces, j'ai reconnu, et cela d'une manière constante, que le
. Bulletin de l'Institut océanographique. Ocean. - 45 - forme de cône à sommet émoussé et qui porte, vers son sommet, quelques poils assez longs et raides ; les deux proé- minences sont contigué's l'une à l'autre sur la ligne médiane, et leurs bases, très élargies, se continuent jusqu'au bord posté- rieur de la tête. Un peu en avant de celle-ci, on rencontre deux petit tubercules émoussés rapprochés l'un de l'autre, mais non contigus.. FlG. 25 Fig. 26 Astacilla mediterranea, femelle vue par la face dorsale (fig. 2 5) et de côté (fig. 26). Grossissement 10. Les trois premiers so Stock Photo
RMRGT1YC–. Bulletin de l'Institut océanographique. Ocean. - 45 - forme de cône à sommet émoussé et qui porte, vers son sommet, quelques poils assez longs et raides ; les deux proé- minences sont contigué's l'une à l'autre sur la ligne médiane, et leurs bases, très élargies, se continuent jusqu'au bord posté- rieur de la tête. Un peu en avant de celle-ci, on rencontre deux petit tubercules émoussés rapprochés l'un de l'autre, mais non contigus.. FlG. 25 Fig. 26 Astacilla mediterranea, femelle vue par la face dorsale (fig. 2 5) et de côté (fig. 26). Grossissement 10. Les trois premiers so
. Bulletin de l'Institut océanographique. Ocean. une paire de petits mamelons, d'ailleurs peu accentués. La face dorsale du premier somite pe'réial est assez fortement bombée et elle est simplement convexe sur les deux somites suivants; le quatrième somite est très long, cylindrique, un peu plus épais FlG. 28. Astacilla mediterranea mâle. Grossissement 10. dans sa région moyenne que vers les extrémités ; il offre, vers le milieu de sa longueur et sur sa face dorsale, un très petit tubercule. Les trois derniers anneaux péréiaux sont seulement un peu renflés vers leur bord postér Stock Photo
RMRGT1X1–. Bulletin de l'Institut océanographique. Ocean. une paire de petits mamelons, d'ailleurs peu accentués. La face dorsale du premier somite pe'réial est assez fortement bombée et elle est simplement convexe sur les deux somites suivants; le quatrième somite est très long, cylindrique, un peu plus épais FlG. 28. Astacilla mediterranea mâle. Grossissement 10. dans sa région moyenne que vers les extrémités ; il offre, vers le milieu de sa longueur et sur sa face dorsale, un très petit tubercule. Les trois derniers anneaux péréiaux sont seulement un peu renflés vers leur bord postér
. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 65 som det sidste Led i Stammen, og Svøbens 1. Led er iflg. Sars ikke dobbelt saa lang som de to næste tilsammen (i det eneste danske Eksemplar er de to øverste Led tilsammen. Fig. 15. 1-9: Astacilla longicornis (1-2: ? fra Ryggen og Siden; 3: 1. Følehorn; 4: Kindbakke; 5-7: 1., 2. og 6. Kropben; 8: Sidste Halefod; 9: <?). — 10-11: A. affmis (? og 1. Kropben). — 12-14: Arcturella dilatata (? fra Ryggen og Siden; cj). (Efter Sars). K. Stephensen: Tanglus og Tanaider. 5. Please note that these images are extracted from sc Stock Photo
RMRD1D32–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 65 som det sidste Led i Stammen, og Svøbens 1. Led er iflg. Sars ikke dobbelt saa lang som de to næste tilsammen (i det eneste danske Eksemplar er de to øverste Led tilsammen. Fig. 15. 1-9: Astacilla longicornis (1-2: ? fra Ryggen og Siden; 3: 1. Følehorn; 4: Kindbakke; 5-7: 1., 2. og 6. Kropben; 8: Sidste Halefod; 9: <?). — 10-11: A. affmis (? og 1. Kropben). — 12-14: Arcturella dilatata (? fra Ryggen og Siden; cj). (Efter Sars). K. Stephensen: Tanglus og Tanaider. 5. Please note that these images are extracted from sc