A cheetah and an ocelot.

Cheetah and Ocelot

A cheetah and an ocelot.

A small striped squirrel.

Chipmunk

A small striped squirrel.

A raccoon like animal with a ringed tail and a pointed snout.

Mexican Coati

A raccoon like animal with a ringed tail and a pointed snout.

An illustration of a cow.

Cow

An illustration of a cow.

A cow and calf together.

Cow and Calf

A cow and calf together.

A shorthorn bull, a kind of beef cow.

Beef Cow

A shorthorn bull, a kind of beef cow.

A dairy cow, suitable for the production of milk.

Dairy Cow

A dairy cow, suitable for the production of milk.

A typical dual-purpose Shorthorn cow.

Dual-purpose Cow

A typical dual-purpose Shorthorn cow.

A cow's head, in a frame of branches.

Head of Cow

A cow's head, in a frame of branches.

A breed of cattle used primarily for beef.

Hereford Cow

A breed of cattle used primarily for beef.

A breed of cattle that is commonly known as the world's highest production dairy animal.

Holstein Cow

A breed of cattle that is commonly known as the world's highest production dairy animal.

A Jersey cow, valued for the richness of their milk.

Jersey Cow

A Jersey cow, valued for the richness of their milk.

A small breed of dairy cattle.

Jersey Cow

A small breed of dairy cattle.

In mammals the muscles in their general plain resemble those of humans. The superficial muscles of a cow are diagramed. Labels: 1, Occipito-Frontalis. 2, Orbicularis Palpaebrarum. 3, Masseter. 5, Sterno-cleido-Mastoid. 6, Trapezius. 7, Latissimus Dorsi. 8, Pectoralis. 9, 10, External and Internal oblique muscles. 11, Opening of the mammary artery and vein (milk vein). 12, Gluteii. 13, Rectus Femoris muscle.

The Superficial Muscles of a Cow

In mammals the muscles in their general plain resemble those of humans. The superficial muscles of a…

Three cows in a field.

Cows

Three cows in a field.

A coyote in the desert.

Coyote

A coyote in the desert.

Dasyurus viverrinus, a small class of marsupial with a gray or brown coat spotted with white.

Dasyurus viverrinus

Dasyurus viverrinus, a small class of marsupial with a gray or brown coat spotted with white.

The Gemul Deer (Furcifer chilensis) is a South American deer with forked horns.

Gemul Deer

The Gemul Deer (Furcifer chilensis) is a South American deer with forked horns.

"Cast or mold of the interior of the left ventricle of the heart of a deer. Shows that the left ventricular cavity in conical and spiral in its nature."—Pettigrew, 1874

Heart of a Deer

"Cast or mold of the interior of the left ventricle of the heart of a deer. Shows that the left ventricular…

One of the largest deer species.

Red Deer

One of the largest deer species.

"The bones in the extremities of this the fleetest of quadrupeds are inclined very obliquely towards each other, and towards the scapular and iliac bones. This arrangement increases the leverage of the muscular system and confers great rapidity on the moving parts."—Pettigrew, 1874

Skeleton of the Deer

"The bones in the extremities of this the fleetest of quadrupeds are inclined very obliquely towards…

The Tufted Deer (Elaphodus cephalophus) is a mammal closely related to the muntjac in the Cervidae family of deer.

Tufted Deer

The Tufted Deer (Elaphodus cephalophus) is a mammal closely related to the muntjac in the Cervidae family…

"This is the name applied in anatomy to designate the transverse muscle which, in man and the mammalia generally, separates the cavity of the thorax or chest from that of the abdomen or belly." — Chambers' Encyclopedia, 1875

Diaphragm

"This is the name applied in anatomy to designate the transverse muscle which, in man and the mammalia…

"This is the name applied in anatomy to designate the transverse muscle which, in man and the mammalia generally, separates the cavity of the thorax or chest from that of the abdomen or belly." — Chambers' Encyclopedia, 1875

Diaphragm

"This is the name applied in anatomy to designate the transverse muscle which, in man and the mammalia…

Dog facing left.

Dog

Dog facing left.

An illustration of a dog.

Dog

An illustration of a dog.

An illustration of a dog attempting to climb a wall.

Dog Climbing

An illustration of a dog attempting to climb a wall.

An illustration of a dog wearing boxing gloves and pants.

Dog Wearing Boxing Gloves & Pants

An illustration of a dog wearing boxing gloves and pants.

An illustration of a small dog holding a fan with its tail.

Dog with Fan

An illustration of a small dog holding a fan with its tail.

A dog that gets its name for its courage and endurance.

Bulldog

A dog that gets its name for its courage and endurance.

"Bulldog, a variety of the common dog, remarkable for its short, broad muzzle, and the projection of its lower jaw, which causes the lower front teeth to protrude beyond the upper." -Vaughan, 1906

Bulldog

"Bulldog, a variety of the common dog, remarkable for its short, broad muzzle, and the projection of…

"The bull terrier was originally from a cross between the bulldog and the terrier. It is smaller than the bulldog, lively, docile, and very courageous." -Vaughan, 1906

Bull Terrier

"The bull terrier was originally from a cross between the bulldog and the terrier. It is smaller than…

A common breed of dog.

Bull-dog

A common breed of dog.

Two breeds of dog, a fox terrier and a fox-hound.

Fox Terrier and Fox-Hound

Two breeds of dog, a fox terrier and a fox-hound.

"The greyhound is the swiftest of all the dogs, and is principally used in the pursuit of the hare, which amusement is termed coursing." -Wood

Greyhound

"The greyhound is the swiftest of all the dogs, and is principally used in the pursuit of the hare,…

An illustration of a grey hound.

Grey Hound

An illustration of a grey hound.

A group of dogs characterized by a short nose and the breadth of the head.

Mastiff

A group of dogs characterized by a short nose and the breadth of the head.

An image of a mastiff and pug, two breeds of dogs.

Mastiff and Pug

An image of a mastiff and pug, two breeds of dogs.

Two dogs, a Newfoundland and a Toy-Terrier.

Newfoundland and Toy-Terrier

Two dogs, a Newfoundland and a Toy-Terrier.

A setter, of which there are three varieties, English, Scotch, and Irish.

Setter

A setter, of which there are three varieties, English, Scotch, and Irish.

"The Clumber spaniel, so called from the breed having originated at Clumber, in Nottinghamshire, a seat of the Duke of Newcastle."—Finley, 1917

Clumber Spaniel

"The Clumber spaniel, so called from the breed having originated at Clumber, in Nottinghamshire, a seat…

"The Cocker spaniel is a much smaller breed of spaniel. They hunt nearly mute."—Finley, 1917

Cocker Spaniel

"The Cocker spaniel is a much smaller breed of spaniel. They hunt nearly mute."—Finley, 1917

"The field spaniel, a dog to which very great attention has been paid by breeders and fanciers, who have lengthened its body and shortened its legs at the expense of symmetry."—Finley, 1917

Field Spaniel

"The field spaniel, a dog to which very great attention has been paid by breeders and fanciers, who…

"The Japanese spaniel, sometimes called the 'sleeve dog', is black and white in color; coat massive and very silky; tail tightly curled over its back, with flowering plume; very diminutive, some specimens weighing under four pounds."—Finley, 1917

Japanese Spaniel

"The Japanese spaniel, sometimes called the 'sleeve dog', is black and white in color; coat massive…

"The King Charles spaniel, a breed of toy spaniel. It is black and tan."—Finley, 1917

King Charles Spaniel

"The King Charles spaniel, a breed of toy spaniel. It is black and tan."—Finley, 1917

"The Staghound is the Scotch deerhound, called also the wolf dog, a breed that is rapidly dying out. These dogs hunt chiefly by sight and are used for stalking deer, for which purpose a cross between the rough Scotch greyhound and colley or the foxhound is also often employed. True staghounds are wiry-coated, shaggy, generally yellowish-gray, but the most valuable are dark iron-gray, with white breast."—(Charles Leonard-Stuart, 1911)

Staghound

"The Staghound is the Scotch deerhound, called also the wolf dog, a breed that is rapidly dying out.…

"The Skye Terrier came originally from the Isle of Skye in Scotland, where it was kept for destroying foxes."—Finley, 1917

Skye Terrier

"The Skye Terrier came originally from the Isle of Skye in Scotland, where it was kept for destroying…

A breed of dog.

Skye Terrier

A breed of dog.

Risso's Dolphin is the only species in the Genus Grampus. It is also known as Cuvier's whale or Gray Grampus.

Risso's Dolphin

Risso's Dolphin is the only species in the Genus Grampus. It is also known as Cuvier's whale or Gray…

Donkey in a stable.

Donkey

Donkey in a stable.

Hoofed mammals, resembling horses but having a smaller build.

Donkey

Hoofed mammals, resembling horses but having a smaller build.

A wild donkey.

Wild Donkey

A wild donkey.

"The Dugong is an herbivorous mammal, belonging to the Manatees. It ranges from 10 to 20 feet in length. The color is a slaty-brown or bluish-black above and whitish below. They yield a clear oil of the best quality, free from all objectionable smell."—(Charles Leonard-Stuart, 1911)

Dugong

"The Dugong is an herbivorous mammal, belonging to the Manatees. It ranges from 10 to 20 feet in length.…

The skeleton of a dugong, one of four living species in the order Sirenia.

Skeleton of the Dugong

The skeleton of a dugong, one of four living species in the order Sirenia.

Australian monotreme mammal also known as the spiny anteater.

Echidna

Australian monotreme mammal also known as the spiny anteater.

A Bruijn's Echidna, or porcupine anteater from New Guinea. The animal have five claws and tapering tongue. The tapering tongue is shaped like a spoon to assist the Echidna can catch ants.

Brujin's Echidna Porcupine Anteater

A Bruijn's Echidna, or porcupine anteater from New Guinea. The animal have five claws and tapering tongue.…

The Western Long-Beaked Echidna (Zaglossus bruijni) is a monotreme in the Tachyglossidae family of spiny anteaters.

Western Long-Beaked Echidna

The Western Long-Beaked Echidna (Zaglossus bruijni) is a monotreme in the Tachyglossidae family of spiny…

The Common Eland (Taurotragus oryx) is a plains antelope in the Bovidae family of cloven-hoofed mammals.

Common Eland

The Common Eland (Taurotragus oryx) is a plains antelope in the Bovidae family of cloven-hoofed mammals.

Elephants are mammals, and the largest living land animals.

Elephant

Elephants are mammals, and the largest living land animals.

An illustration of a elephant.

Elephant

An illustration of a elephant.