. The annals and magazine of natural history : zoology, botany, and geology. A. Rhinarium of zebu (Bos indicus) from above. X B. The same from the front. The only existing members of this genus, as here recorded,are the numerous domesticated breeds of cattle referred toB. and B. indicus. Apart from these there are acertain number of extinct species, of which the aurochs 33* 452 Mr. K. I. Pocock on some (/i. j)rimi(/c)iius) is tlic hest-kiiown form. In domesticatedtattle the skull is so variable in structure that it would FiiT. A. Rliinariuni of American Lison {Bison bison) from tli

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. The annals and magazine of natural history : zoology, botany, and geology. A. Rhinarium of zebu (Bos indicus) from above. X B. The same from the front. The only existing members of this genus, as here recorded,are the numerous domesticated breeds of cattle referred toB. and B. indicus. Apart from these there are acertain number of extinct species, of which the aurochs 33* 452 Mr. K. I. Pocock on some (/i. j)rimi(/c)iius) is tlic hest-kiiown form. In domesticatedtattle the skull is so variable in structure that it would FiiT. A. Rliinariuni of American Lison {Bison bison) from tlie front. X The faame from the side. C. The same of African buffalo {Sy7icerus coffer eequinocticdis) from theside. require the examination of a long series of specimens toformulate a generic diagnosis based ui)on cranial characters. External Characters of Ruminant Artiodactyla, 453 But the success of such .ati undertaking wouhl be doubtful,seeing that the skulls of some dotncsticated l)iee(ls dittermore from auroclis-like breeds than the hitter differ fromother genera of Boviuie. To this variability is probably to Fig. 3.

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Keywords: ., bookcentury1800, bookidser9annalsmaga, booksubjectnaturalhistory