How To Use Castoridae In A Sentence

• In the latter case the foremost upper molar is small; the fibula is distinct, and never united, except in some cases where it is attached to the extremity of the tibia; the zygomatic arch is formed chiefly by the malar, which is not supported beneath by a continuation of the zygomatic process of the maxillary; collar-bones perfect; upper lip cleft; the muffle small and naked; tail cylindrical and hairy (except in _Castoridae_). Natural History of the Mammalia of India and Ceylon
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