. Zoology for high schools and colleges. Zoology. MOLES AND SHREWS. 587 Order 3. Insectivora.—In the moles the incisors, the canines, and molars are well developed, and the molars have the crown surmounted by conical projections called cusps. The fore feet are plantigrade, with large claws, and the en- tire limb is short, thick, mus- cular, and fossorial,, adapted for burrowing in the soil (Fig. 508). The shrews comprise the smallest mammals. Nearly all are nocturnal, burrowing under the surface, and never seen by day; consequently, their eyes are small, and most- ly hid under the fur; whi
. Zoology for high schools and colleges. Zoology. MOLES AND SHREWS. 587 Order 3. Insectivora.—In the moles the incisors, the canines, and molars are well developed, and the molars have the crown surmounted by conical projections called cusps. The fore feet are plantigrade, with large claws, and the en- tire limb is short, thick, mus- cular, and fossorial,, adapted for burrowing in the soil (Fig. 508). The shrews comprise the smallest mammals. Nearly all are nocturnal, burrowing under the surface, and never seen by day; consequently, their eyes are small, and most- ly hid under the fur; while the ears are small and concealed by the hair. The shrews are mouse-like, having feet of the normal form, and a long nose. In our com- mon shrew {Sorex 2^latyrMnus Wagner, Fig. 509), the nose is long, and the tail shorter than the head and body. The genuine moles are the characteristic forms of the order; the most peculiar being the star-nosed mole, Condy-. Fig. 608.—Bones of fore leg of a Mole. 52, the cubital scapula; 53, humerue ; 54, ulna ; 55, radius.—Af- ter 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
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