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The great muscle of the buttock in man and most mammals, and the corresponding muscle in many lower animals.

A carnivorous mammal (Gulo luscus), of the family Mustelidæ, about the size of a large badger. It was formerly believed to be inordinately voracious, whence the name; the wolverene. It is a native of the northern parts of America, Europe, and Asia. Glutton bird (Zoöl.), the giant fulmar (Ossifraga gigantea); -- called…

An extinct South American quaternary mammal, allied to the armadillos. It was as large as an ox, was covered with tessellated scales, and had fluted teeth. Owen.

A crescent-shaped, colored patch on the neck of a bird or mammal. Gorget hummer (Zoöl.), a humming bird of the genus Trochilus. See Rubythroat.

an follicles or vesicles, small cavities in which the ova are developed in the ovaries of mammals, and by the bursting of which they are discharged.

A South American mammal (Auchenia huanaco), allied to the llama, but of larger size and more graceful form, inhabiting the southern Andes and Patagonia. It is supposed by some to be the llama in a wild state. [Written also huanaco.]

contained in guano. It is also a constituent of the liver, pancreas, and other glands in mammals.

The higher orders of Mammalia, in which the cerebrum is convoluted. -- Gyr"en*ceph"a*lous, a.

The cold-blooded vertebrates, that is, all but the mammals and birds; -- the antithesis to Hematotherma.

The warm-blooded vertebrates, comprising the mammals and birds; -- the antithesis to hematocrya.

An extensive division of Mammalia. It formerly included the Proboscidea, Hyracoidea, Perissodactyla, and Artiodactyla, but by later writers it is generally restricted to the two latter groups (Ungulata). They feed almost exclusively upon vegetation.

o pass the season of winter in close quarters, in a torpid or lethargic state, as certain mammals, reptiles, and insects. Inclination would lead me to hibernate, during half the year, in this uncomfortable climate of Great Britain. Southey.

An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof on each side of the main central one. It is believed to be one of the ancestral genera of the Horse family.

A large, amphibious, herbivorous mammal (Hippopotamus amphibius), common in the rivers of Africa. It is allied to the hogs, and has a very thick, naked skin, a thick and square head, a very large muzzle, small eyes and ears, thick and heavy body, and short legs. It is supposed to be the behemoth of the Bible. Called al…

er writers using the term homoplasmy). Thus, there is homogeny between the fore limb of a mammal and the wing of a bird; but the right and left ventricles of the heart in both are only in homoplasy with each other, these having arisen independently since the divergence of both groups from a univentricular ancestor.…

Any carnivorous mammal of the family Hyænidæ, of which three living species are known. They are large and strong, but cowardly. They feed chiefly on carrion, and are nocturnal in their habits. [Written also hyæna.]

art of the hyoid arch, as in fishes, instead of directly articulated with the skull as in mammals; -- said of the skull.

An order of small hoofed mammals, comprising the single living genus Hyrax.

Any carnivorous mammal of the genus Herpestes, and family Viverridæ. Numerous species are found in Asia and Africa. The Egyptian species(H. ichneumon), which ranges to Spain and Palestine, is noted for destroying the eggs and young of the crocodile as well as various snakes and lizards, and hence was considered sacred…

A mammal having no placenta.