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. A text-book of agricultural zoology. Zoology, Agricultural; Zoology, Economic. 476 MAMMALIA. of year. From three to four young are boj-ii in May : they are pinky white, with white quills, and both eyes and ears are. Fir;. 224.—Skull ot" Hkdgehog {Eriuaixus europoytis), (Nicholsou.) closed. They are produced and kept in a nest of moss, covered with leaves. In many respects the hedgehog is injurious, hut it also does good in destroying vermin. Order CHIEOPTERA or BATS. The Bats, which are insectivorous mammals, are characterised by the peculiarly modified forearms, adapted to form the win
. A text-book of agricultural zoology. Zoology, Agricultural; Zoology, Economic. 476 MAMMALIA. of year. From three to four young are boj-ii in May : they are pinky white, with white quills, and both eyes and ears are. Fir;. 224.—Skull ot" Hkdgehog {Eriuaixus europoytis), (Nicholsou.) closed. They are produced and kept in a nest of moss, covered with leaves. In many respects the hedgehog is injurious, hut it also does good in destroying vermin. Order CHIEOPTERA or BATS. The Bats, which are insectivorous mammals, are characterised by the peculiarly modified forearms, adapted to form the wings. The digits of the fore-limb are enormously elongated, except the poUex. These fingers are united by a thin mem- brane called the " patagium" (fig. 225, P), which is also ex- tended between the fore and hind limbs and united to the sides of the body. This expanded membrane is used for flight. The pollex and first finger of the fore-limb may have a claw, but the others are destitute of them. The hind-digits have each a long nail. Bats have teeth of three kinds, and in all the canines are well developed. The molars in the iiisectivorous bats are always sharp pointed ; in the foreign fruit-eating bats they are tuber- culate. The bones are never hollow as in birds. Two mammse are placed upon the chest. The body is cc^'ered with hair, and. 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 Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and Sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899