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A group of ungulate mammals including the hog and the hippopotamus. The term is also sometimes applied to the bears, and to certain passerine birds.

In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle.

A half oviparous, or an oviparous, mammal; a marsupial or monotreme.

g certain important characters in common; as, the Carnivora and Insectivora are orders of Mammalia.

A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer.

A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.

ry to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.

The formation of ova or eggs in the ovary, and the discharge of the same. In the mammalian female the discharge occurs during menstruation.

A group of hoofed mammals distinguished for the thickness of their skins, including the elephant, hippopotamus, rhinoceros, tapir, horse, and hog. It is now considered an artificial group.

Any one of several species of East Indian viverrine mammals of the genus Paguma. They resemble a weasel in form.

An extinct genus of herbivorous Tertiary mammals, once supposed to have resembled the tapir in form, but now known to have had a more slender form, with a long neck like that of a llama. [Written also Palæotherium.]

Putting the whole foot upon the ground in walking, as some mammals.

A small Asiatic mammal (Ailurus fulgens) having fine soft fur. It is related to the bears, and inhabits the mountains of Northern India.

A web or fold of skin which extends between the legs of certain mammals, as the flying squirrels, colugo, and phalangister.

Any species of Paradoxurus, a genus of Asiatic viverrine mammals allied to the civet, as the musang, and the luwack or palm cat (Paradoxurus hermaphroditus). See Musang.

An outer garment made of the skins of birds or mammals, worn by Eskimos, etc.

The covering, or coat, of a mammal, whether of wool, fur, or hair.

A division of ungulate mammals, including those that have an odd number of toes, as the horse, tapir, and rhinoceros; -- opposed to Artiodactyla.

Same as Mammalia.

A suborder of aquatic carnivorous mammals including the seals and walruses; -- opposed to Fissipedia.