...Thecorner incisor teeth are much smaller, and are separated fromthe neighbouring teeth... 
Édouard Cuyer 「Artistic Anatomy of Animals」
...californicus, east of the Rocky Mountains, has abifurcation, or even trifurcation, of the infold that can readily beseen by examining the occlusal surface of the incisor...
E. Raymond Hall 「A Synopsis of the North American Lagomorpha」
...—f The inferior maxillary bone, containing the upper incisor teeth...
Richard L. Allen 「Domestic Animals」
...The lamb, when newly dropped, is devoid of incisor teeth, though thetwo central ones are occasionally above the gum even at this earlyperiod...
Ambrose Blacklock 「A Treatise on Sheep:」
...Strands of beads, used either for an ear pendant or for ornaments atthe peak of a hood, have a caribou incisor fastened at the tip...
Francis Harper 「The Barren Ground Caribou of Keewatin」
... Based on incisor sectioning method of Gilbert (1966) except thatunderlined figures are based on tooth replacement or wear (Severinghaus1949)...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...sawrockensis differs in: incisor less procumbent;masseteric ridge extending farther anteriorly; anterior cingulum of m2 slightlylarger...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...brachygnathus differs in: incisor more slender, shorter,more proödont; diastema shorter...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...minimus
differs in: anterior median fold deeper; incisor longer, more recurved, lessproödont; molars slightly more depressed (though worn)...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Those of the first sub-orderhave two incisor teeth in the upper jaw; those of thesecond have four...
Various 「Natural History in Anecdote」
...We come now to the second sub-order of theRodents or animals that gnaw, the Duplicidentati,the rodents having four incisor teeth in the upper jaw...
Various 「Natural History in Anecdote」
...Two of the figures, both from theNuttall Codex, show the lower incisor teeth (, figs...
Alfred M. Tozzer and Glover M. Allen 「Animal Figures in the Maya Codices」
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