Opposable toes hi-res stock photography and images

Western lowland gorilla (Gorilla gorilla gorilla) close-up of hind feet and toes Stock Photo

RMWPE30X–Western lowland gorilla (Gorilla gorilla gorilla) close-up of hind feet and toes

Common chimpanzee (Pan troglodytes), using stick to extract food from tree trunk. Captive animal. Stock Photo

RMH3P9YJ–Common chimpanzee (Pan troglodytes), using stick to extract food from tree trunk. Captive animal.

Side view of this small green-and orange frog with very large eyes, long, delicate limbs to aid agility, and opposable toes enabling the frog to grasp this very small branch. Stock Photo

RMPFFHM3–Side view of this small green-and orange frog with very large eyes, long, delicate limbs to aid agility, and opposable toes enabling the frog to grasp this very small branch.

Chimpanzee paws for thought - a study of a foot Stock Photo

RFMF9GE5–Chimpanzee paws for thought - a study of a foot

Arabian Chameleon rests on the end of a branch Stock Photo

RF2Y6MCD6–Arabian Chameleon rests on the end of a branch

Close up of foot of Chimpanzee {Pan troglodytes} opposable toe Stock Photo

RME458TC–Close up of foot of Chimpanzee {Pan troglodytes} opposable toe

Detail of a gorilla foot, showing the digits and opposable big toe. Mountain gorilla, gorilla, gorilla beringei beringei, in the Bwindi Impenetrable F Stock Photo

RF2R5RAG2–Detail of a gorilla foot, showing the digits and opposable big toe. Mountain gorilla, gorilla, gorilla beringei beringei, in the Bwindi Impenetrable F

Olive or Anubis Baboons (Papio anubis). Female and young. Dextrous hands digits picking, cleaning fur on leg of suckling baby. Stock Photo

RMEND2E0–Olive or Anubis Baboons (Papio anubis). Female and young. Dextrous hands digits picking, cleaning fur on leg of suckling baby.

The tail and foot of a spider monkey clinging onto its cage. Stock Photo

RMCECG33–The tail and foot of a spider monkey clinging onto its cage.

MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o Stock Photo

RM2XTX38A–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

First lesson in zoology : adapted for use in schools . -fers from that of all other Primates, and resembles that ofthe Rodents; the thumb also is not truly opposable, andall the hind digits, except the great toes, have claw-likenails. The Galago, of West Africa (Fig. 361), somewhatrecalls the Insectivora, while in the more active andflexible-bodied lemurs, the trunk-vertebrae resemble in pro-portions, connections, and direction of neural spines thoseof the agile Carnivora (Owen). THE DOCILE MAMMALS. 365 The genuine Primates or sah-OTdieT Anthropoidea are, inbrief, characterized by the large, c Stock Photo

RM2AKPR77–First lesson in zoology : adapted for use in schools . -fers from that of all other Primates, and resembles that ofthe Rodents; the thumb also is not truly opposable, andall the hind digits, except the great toes, have claw-likenails. The Galago, of West Africa (Fig. 361), somewhatrecalls the Insectivora, while in the more active andflexible-bodied lemurs, the trunk-vertebrae resemble in pro-portions, connections, and direction of neural spines thoseof the agile Carnivora (Owen). THE DOCILE MAMMALS. 365 The genuine Primates or sah-OTdieT Anthropoidea are, inbrief, characterized by the large, c

Elementary zoology (1902) Elementary zoology elementaryzoolog00kell Year: 1902 BRANCH CHORD AT A; CLASS AVES: THE BIRDS 363 fectly opposable to the middle front one. This is the perching foot. Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming foot of the aquatic birds; note the different degrees of webbing, from the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound Fig. 143.—Russet-backed thrush, Turdus Stock Photo

RMT0D49F–Elementary zoology (1902) Elementary zoology elementaryzoolog00kell Year: 1902 BRANCH CHORD AT A; CLASS AVES: THE BIRDS 363 fectly opposable to the middle front one. This is the perching foot. Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming foot of the aquatic birds; note the different degrees of webbing, from the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound Fig. 143.—Russet-backed thrush, Turdus

RFF4MR24–Silvered Leaf Monkeys

Common chimpanzee (Pan troglodytes schweinfurthii) Stock Photo

RMH3W3AR–Common chimpanzee (Pan troglodytes schweinfurthii)

Olive or Anubis Baboons (Papio anubis). Mother and young. Dextrous hands and digits picking and cleaning fur leg suckling young. Stock Photo

RMEJPD8A–Olive or Anubis Baboons (Papio anubis). Mother and young. Dextrous hands and digits picking and cleaning fur leg suckling young.

RM2XTX38F–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. Buzzacott's masterpiece;. Hunting; Camping; Trapping. [from old catalog]. COMPLETE TRAPPERS GUIDE 419 THE OPOSSUM There are very few of the marsupiated animals which are more remarkable for their form, their habits, or their character, than the Opossums of America. They are nearly all admirable climbers, and are assisted in their scansorial. Opossum efforts by their long, prehensile tails, which are covered with scales, through the interstices of which a few short black hairs protrude. The hinder feet are also well adapted for clmbing, as the thumb is opposable to the other toes, so that.the Stock Photo

RMRG62K1–. Buzzacott's masterpiece;. Hunting; Camping; Trapping. [from old catalog]. COMPLETE TRAPPERS GUIDE 419 THE OPOSSUM There are very few of the marsupiated animals which are more remarkable for their form, their habits, or their character, than the Opossums of America. They are nearly all admirable climbers, and are assisted in their scansorial. Opossum efforts by their long, prehensile tails, which are covered with scales, through the interstices of which a few short black hairs protrude. The hinder feet are also well adapted for clmbing, as the thumb is opposable to the other toes, so that.the

RMRWWFEH–Elementary zoology (1902) Elementary zoology elementaryzoolog00kell Year: 1902 BRANCH CHORD AT A; CLASS AVES: THE BIRDS 363 fectly opposable to the middle front one. This is the perching foot. Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming foot of the aquatic birds; note the different degrees of webbing, from the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound Fig. 143.—Russet-backed thrush, Turdus

Common chimpanzees (Pan troglodytes schweinfurthii) Stock Photo

RMH3W36F–Common chimpanzees (Pan troglodytes schweinfurthii)

RM2XTX31A–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. VERTEBRATA. 343 long, prehensile tail;"° the nostrils are placed far apart, so that the nose is wide and flat; the thumbs and great toes are fitted for grasping, but are not opposable to the other digits; and they have four molars more than the Apes or Man—that is, thirty-six teeth in all. In the Apes of the Old World the tail is never prehensile, and is some- times wanting; the nostrils are close together; both thumbs and great toes are opposable; and the teeth, though num- bering the same as Man' Stock Photo

RMREEPP2–. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. VERTEBRATA. 343 long, prehensile tail;"° the nostrils are placed far apart, so that the nose is wide and flat; the thumbs and great toes are fitted for grasping, but are not opposable to the other digits; and they have four molars more than the Apes or Man—that is, thirty-six teeth in all. In the Apes of the Old World the tail is never prehensile, and is some- times wanting; the nostrils are close together; both thumbs and great toes are opposable; and the teeth, though num- bering the same as Man'

RMH3W36G–Common chimpanzees (Pan troglodytes schweinfurthii)

RM2XTX335–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. Elementary text-book of zoology [electronic resource]. Zoology. 486 CHORD AT A, the presence of more than three pairs of upper incisors. The canines are large and prominent, and the molars are cusped. In other words, the Polyprotodontia have a typical carnivorous dentition, and all are flesh- or insect-eaters. They are aquatic, cursorial, fossorial, or arboreal. Family I.—Didelphidae comprise the Opossums, found in the warmer regions of America. They are usually "true arboreal" and hence have an opposable hallux or big toe, the other four toes being nearly equal and each bearing a Stock Photo

RMRJN7RW–. Elementary text-book of zoology [electronic resource]. Zoology. 486 CHORD AT A, the presence of more than three pairs of upper incisors. The canines are large and prominent, and the molars are cusped. In other words, the Polyprotodontia have a typical carnivorous dentition, and all are flesh- or insect-eaters. They are aquatic, cursorial, fossorial, or arboreal. Family I.—Didelphidae comprise the Opossums, found in the warmer regions of America. They are usually "true arboreal" and hence have an opposable hallux or big toe, the other four toes being nearly equal and each bearing a

RMH3W363–Common chimpanzee (Pan troglodytes schweinfurthii)

RM2XTX323–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. Elementary text-book of zoology. 502 CHORD AT A. characters, be recognised at once by the presence of more than three pairs of upper incisors. The canines are large and prominent and the molars are cusped. In other words, the Folyprotodontia have a typical carnivorous dentition, and all are flesh- or insect-eaters. They are aquatic, cursorial, fossorial, or arboreal. Family I.—Didelphidse comprise the Opossums, found in the warmer regions of America. They are usually "true arboreal" and hence have an opposable hallux or big toe, the other four toes being nearly equal and each beari Stock Photo

RMRDHJH1–. Elementary text-book of zoology. 502 CHORD AT A. characters, be recognised at once by the presence of more than three pairs of upper incisors. The canines are large and prominent and the molars are cusped. In other words, the Folyprotodontia have a typical carnivorous dentition, and all are flesh- or insect-eaters. They are aquatic, cursorial, fossorial, or arboreal. Family I.—Didelphidse comprise the Opossums, found in the warmer regions of America. They are usually "true arboreal" and hence have an opposable hallux or big toe, the other four toes being nearly equal and each beari

RMH3W36B–Common chimpanzee (Pan troglodytes schweinfurthii)

RM2XTX37J–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. The Badland formations of the Black Hills region. Geology; Geology, Stratigraphic; Vertebrates, Fossil. 110 The Badiland Formations of the Black Hills [Region. Fignre'i6—Restored skeleton of Agriochoerus latifrons. After Wort- man, 1896. able in that its toes were apparently armed with claws instead of hoofs and the first toe (the thumb) of the fore ipot seems to have been opposable. Aside from its foot structure the animal was much like the Oreodon. It was approximately three feet long not including the rather long tail. Mesoreodon is likewise remarkable in that the thyroid cartilage of the Stock Photo

RMRJN94A–. The Badland formations of the Black Hills region. Geology; Geology, Stratigraphic; Vertebrates, Fossil. 110 The Badiland Formations of the Black Hills [Region. Fignre'i6—Restored skeleton of Agriochoerus latifrons. After Wort- man, 1896. able in that its toes were apparently armed with claws instead of hoofs and the first toe (the thumb) of the fore ipot seems to have been opposable. Aside from its foot structure the animal was much like the Oreodon. It was approximately three feet long not including the rather long tail. Mesoreodon is likewise remarkable in that the thyroid cartilage of the

RMH3W3AP–Common chimpanzee (Pan troglodytes schweinfurthii)

RM2XTX37N–MALAYSIA The silvery lutung Trachypithecus cristatus, also known as the silvery leaf monkey or the silvery langur, is an Old World monkey. It is arboreal, living in coastal, mangrove, and riverine forests in Peninsular Malaysia, Sumatra, Borneo, Java, and other nearby islands. It is the type species of its species group. The silvery lutung is a medium-sized monkey with a long, non-prehensile tail. It has grey-tipped, dark brown or black fur, giving it a uniform silvery appearance. Unlike some related species, there are no paler markings on the face or body, except for a patch of whitish hair o

. An introduction to the study of mammals living and extinct. Mammals. DIDELPHYID^ 133 /3. Teeth rooted. Three upper incisors and a canine. Hind limbs not disproportionately large. Feet syndactylous, broad, with four subequal outer toes, and a large opposable hallux. PhcdangeridcE. y. Teeth rooted. Three upper incisors, and frequently a canine. Hind limbs disproportionately large, with syndactylous feet as in Peramelidce. Macropodidce. Suborder POLYPROTODONTIA. The leading characters of this group are given in the foregoing schedule. This group is the only one represented at the present day, a Stock Photo

RMRE0A6E–. An introduction to the study of mammals living and extinct. Mammals. DIDELPHYID^ 133 /3. Teeth rooted. Three upper incisors and a canine. Hind limbs not disproportionately large. Feet syndactylous, broad, with four subequal outer toes, and a large opposable hallux. PhcdangeridcE. y. Teeth rooted. Three upper incisors, and frequently a canine. Hind limbs disproportionately large, with syndactylous feet as in Peramelidce. Macropodidce. Suborder POLYPROTODONTIA. The leading characters of this group are given in the foregoing schedule. This group is the only one represented at the present day, a

RMH3W3AC–Common chimpanzees (Pan troglodytes schweinfurthii)

. Zoology. Zoology. Fio. 336.—Galago. From Lutken's Zoology. ton are "much as in some of the lemurs." Tlie genus Anaptomorphus of the Western Tertiary beds is a small lemur-like form, said by Coj)e to be the most like the apes of any yet discovered. Allied to the true lemurs is a very puzzling creature, the aye-aye or Cliiromys, of Madagascar, whose dentition dif- fers from that of all other Primates, and resembles that of the Eodents; the thumb also is not truly opposable, and all the hind digits, except the great toes, have claw like. Please note that these images are extracted fro Stock Photo

RMRDT949–. Zoology. Zoology. Fio. 336.—Galago. From Lutken's Zoology. ton are "much as in some of the lemurs." Tlie genus Anaptomorphus of the Western Tertiary beds is a small lemur-like form, said by Coj)e to be the most like the apes of any yet discovered. Allied to the true lemurs is a very puzzling creature, the aye-aye or Cliiromys, of Madagascar, whose dentition dif- fers from that of all other Primates, and resembles that of the Eodents; the thumb also is not truly opposable, and all the hind digits, except the great toes, have claw like. Please note that these images are extracted fro

RMH3W368–Common chimpanzees (Pan troglodytes schweinfurthii)

. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courtesy, American Museum oj Natural History FIGS. 105 AND 106. HAND AND FOOT OF SPIDER MONKEY. Left. Palmar surface of hand showing well-developed palm, marked digitation with complete absence of tlie thumb. Right. PLintar surface of the foot showing long sole, small heel, short opposable hallux and long toes. and permanency in their representation. Yet, in spite of this increase as compared with lower mammals, these associations fail in their full signif- Stock Photo

RMRH7WXB–. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courtesy, American Museum oj Natural History FIGS. 105 AND 106. HAND AND FOOT OF SPIDER MONKEY. Left. Palmar surface of hand showing well-developed palm, marked digitation with complete absence of tlie thumb. Right. PLintar surface of the foot showing long sole, small heel, short opposable hallux and long toes. and permanency in their representation. Yet, in spite of this increase as compared with lower mammals, these associations fail in their full signif-

. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courlesy^ American Museum oj Natural History' FIGS. l6l AND 162. HAND AND FOOT OF MACACUS RHESUS. Left. Palmar surface of hand showing well-dcvelopcd manual characteristics, pronounced digitation, short but opposable thumb. Right. Plantar surface of loot showing well-developed heel, narrow sole, long, narrow toes, and long opposable hallux. culties. Among themselves they are constantly on the move. Repose seems totally foreign to their behavioral program. Sc Stock Photo

RMRH7W1J–. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courlesy^ American Museum oj Natural History' FIGS. l6l AND 162. HAND AND FOOT OF MACACUS RHESUS. Left. Palmar surface of hand showing well-dcvelopcd manual characteristics, pronounced digitation, short but opposable thumb. Right. Plantar surface of loot showing well-developed heel, narrow sole, long, narrow toes, and long opposable hallux. culties. Among themselves they are constantly on the move. Repose seems totally foreign to their behavioral program. Sc

. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courlc.sv. American Museum of Na!ural Hislory FIGS. 8 AND 9. HAND AND FOOT OF LEMUR MONGOZ. Left. Palmar surface of hand showing digitation, palmar creases, phalangeal pads and opposable thumb. Right. Plantar surface of foot showing plantar creases, digitation, long toes, plantar pads, distal phalanges and opposable great toe. lissural marking corresponding to the sulcus simiarum or any occipital marking on the lateral aspect of the brain is apparent. In fac Stock Photo

RMRH7YB8–. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. Courlc.sv. American Museum of Na!ural Hislory FIGS. 8 AND 9. HAND AND FOOT OF LEMUR MONGOZ. Left. Palmar surface of hand showing digitation, palmar creases, phalangeal pads and opposable thumb. Right. Plantar surface of foot showing plantar creases, digitation, long toes, plantar pads, distal phalanges and opposable great toe. lissural marking corresponding to the sulcus simiarum or any occipital marking on the lateral aspect of the brain is apparent. In fac

. Fourteen weeks in zoology. Zoology. to go its own way, the animal tumbles about as if intoxicated. Three of its five toes on each foot are united in an opposable bundle to the other two, giving a firm grasp to the branch around which it winds its prehensile tail. It never moves two feet at once, and often car- ries one sluggishly for- Igmna tiaermlata. Iguana. ,"5. ward after the other, with the imperceptible movement of the hour-hand of a watch; but its long, gummy tongue is Fig. wi. quick enough to catch a fly buzzing past, at the distance of twice the length of the Chameleon's body. Stock Photo

RMRDT9CC–. Fourteen weeks in zoology. Zoology. to go its own way, the animal tumbles about as if intoxicated. Three of its five toes on each foot are united in an opposable bundle to the other two, giving a firm grasp to the branch around which it winds its prehensile tail. It never moves two feet at once, and often car- ries one sluggishly for- Igmna tiaermlata. Iguana. ,"5. ward after the other, with the imperceptible movement of the hour-hand of a watch; but its long, gummy tongue is Fig. wi. quick enough to catch a fly buzzing past, at the distance of twice the length of the Chameleon's body.

. Fourteen weeks in zoology. Zoology. 1. Tongue of Chameleon. :. Foot of Chamdeon. Fig. 290.. to go its own way, the animal tumbles about as if intoxicated. Three of its five toes on each foot are united in an opposable bundle to the other two, giving a firm grasp to the branch around which it winds its prehensile tail. It never moves two feet at once, and often car- ries one sluggishly for- Igmna tiaermlata. Iguana. ,"5. ward after the other, with the imperceptible movement of the hour-hand of a watch; but its long, gummy tongue is Fig. wi. quick enough to catch a fly buzzing past, at th Stock Photo

RMRDT9CH–. Fourteen weeks in zoology. Zoology. 1. Tongue of Chameleon. :. Foot of Chamdeon. Fig. 290.. to go its own way, the animal tumbles about as if intoxicated. Three of its five toes on each foot are united in an opposable bundle to the other two, giving a firm grasp to the branch around which it winds its prehensile tail. It never moves two feet at once, and often car- ries one sluggishly for- Igmna tiaermlata. Iguana. ,"5. ward after the other, with the imperceptible movement of the hour-hand of a watch; but its long, gummy tongue is Fig. wi. quick enough to catch a fly buzzing past, at th

. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. CoUTte&y, American Museum oj Natural History FIGS. 107 AND 108. HAND AND FOOT OF SPIDER MONKEY. Left. Dorsum of hand, showing well-developed fingers and finger-nails, absence of the thumb. Right. Dorsum of the foot showing long metatarsus, long toes, opposable hallux, well marked toe-nails. Brain Measurements and Indices in Mycetes Seniculus Diameters of the skull Occipito-nasal -8 mm. Bitemporal 42 mm. Length of the brain case 56 mm. Brain, includmg cer Stock Photo

RMRH7WWB–. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. CoUTte&y, American Museum oj Natural History FIGS. 107 AND 108. HAND AND FOOT OF SPIDER MONKEY. Left. Dorsum of hand, showing well-developed fingers and finger-nails, absence of the thumb. Right. Dorsum of the foot showing long metatarsus, long toes, opposable hallux, well marked toe-nails. Brain Measurements and Indices in Mycetes Seniculus Diameters of the skull Occipito-nasal -8 mm. Bitemporal 42 mm. Length of the brain case 56 mm. Brain, includmg cer

. Elements of zoölogy. Zoology. 358 BACKBONED ANIMALS. Sub-order II. Man-shaped Animals {A?itkrot>oidea). Marmosets (Hapalidce).—The marmosets are confined exclusively to South America, and are rarely larger than large squirrels. They have long, non-prehensile tails, and walk upon all-fours, the feet and hands being similar, and the digits armed, with the exception of the great toes, with nail-like claws. As the thumbs are not opposable, they can not grasp with the facility of other monkeys.. Fig. 378.—A woolly monkey and young (Lagothryx Humboldtii), showing grasping tail. Weepers {Cebidce Stock Photo

RMRCEGA6–. Elements of zoölogy. Zoology. 358 BACKBONED ANIMALS. Sub-order II. Man-shaped Animals {A?itkrot>oidea). Marmosets (Hapalidce).—The marmosets are confined exclusively to South America, and are rarely larger than large squirrels. They have long, non-prehensile tails, and walk upon all-fours, the feet and hands being similar, and the digits armed, with the exception of the great toes, with nail-like claws. As the thumbs are not opposable, they can not grasp with the facility of other monkeys.. Fig. 378.—A woolly monkey and young (Lagothryx Humboldtii), showing grasping tail. Weepers {Cebidce

. Elementary zoology. Zoology. BRANCH CHORD AT A; CLASS AVES: THE BIRDS 363 fectly opposable to the middle front one. This is the perching foot. Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming foot of the aquatic birds; note the different degrees of webbing, from the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound. Fig. 143.—Russet-backed thrush, Turdus ustulatus. life by Eliz. and Jos. Grinnell.) (Phot Stock Photo

RMRCXE45–. Elementary zoology. Zoology. BRANCH CHORD AT A; CLASS AVES: THE BIRDS 363 fectly opposable to the middle front one. This is the perching foot. Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming foot of the aquatic birds; note the different degrees of webbing, from the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound. Fig. 143.—Russet-backed thrush, Turdus ustulatus. life by Eliz. and Jos. Grinnell.) (Phot

. Elementary text-book of zoology. Zoology. PI! I MATES. The tail is sometimes used as a prehensile organ. The tinkers and toes have arched or flat nails. The thunil) is sometimes reduced, and is never opposable to the same extent a> 1 he great toe. ( "iiee!< punches and ischial callosities always absent. Fain. Pithecidae. A|»j^ with Icnu' hairy tail, vliich cannot IK- n^-d I'm- pvehen- sion; Pitlirriti S/ittinux HulViiH.. Hra/il; .i/rHjiitlin-ii* t r'i r'i nit/hi* . lluuil'. Granada: ('1iri/x»tln-i.r •••riiin-n I,.. Saimir. Si|iiirrel Monkey, Guiana • Gccll'i-.. easl coasl. FIG. Stock Photo

RMRCX2W1–. Elementary text-book of zoology. Zoology. PI! I MATES. The tail is sometimes used as a prehensile organ. The tinkers and toes have arched or flat nails. The thunil) is sometimes reduced, and is never opposable to the same extent a> 1 he great toe. ( "iiee!< punches and ischial callosities always absent. Fain. Pithecidae. A|»j^ with Icnu' hairy tail, vliich cannot IK- n^-d I'm- pvehen- sion; Pitlirriti S/ittinux HulViiH.. Hra/il; .i/rHjiitlin-ii* t r'i r'i nit/hi* . lluuil'. Granada: ('1iri/x»tln-i.r •••riiin-n I,.. Saimir. Si|iiirrel Monkey, Guiana • Gccll'i-.. easl coasl. FIG.

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