Yosemite nature notes . 6 inchesBlack Bear § j £ f ? HZ YA\NH*359 * See Food Habits of Yosemite Mammals as Indicated by Their Teeth, Yosemite Nature Notes,24 (2-5), February, March, April and May, 1945. MAMMALS OF YOSEMITE NATIONAL PARK 55. 3 inches Aplodonlio y/*\NH*277 ±0233 $i*22 The flesh-eaters (Carniiora), typifiedby bears, dogs, cats, weasels and the like,have prominent canine teeth which, to-gether with the strong incisors or frontteeth, equip them for seizing and holdingliving prey. Powerful jaw muscles assistin biting and tearing. Most members ofthe order have sharp jaw teeth with bl
Yosemite nature notes . 6 inchesBlack Bear § j £ f ? HZ YA\NH*359 * See Food Habits of Yosemite Mammals as Indicated by Their Teeth, Yosemite Nature Notes,24 (2-5), February, March, April and May, 1945. MAMMALS OF YOSEMITE NATIONAL PARK 55. 3 inches Aplodonlio y/*\NH*277 ±0233 $i*22 The flesh-eaters (Carniiora), typifiedby bears, dogs, cats, weasels and the like,have prominent canine teeth which, to-gether with the strong incisors or frontteeth, equip them for seizing and holdingliving prey. Powerful jaw muscles assistin biting and tearing. Most members ofthe order have sharp jaw teeth with blade-like crowns, well-suited for a scissors-like action in cutting and chewing flesh,tendons and bones. The bear is a notableexception to this condition, havingbroad, flat crowns on the jaw teethwhich are more useful to such animalsthat eat almost anything, from ants tocarrion. Rodents, or gnawing mammals, arecharacterized by four chisel-like frontteeth, two long uppers which overlap thetwo prominent lowers. These incisors arekept sharp by differential wear in thegnawing process. The front surface ofthe tooth is hard, wear-resisting enamelwhich xemains as a sharp edge after thesofter dentine has eroded back. The wear-ing down is co
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnatural, bookyear1922
