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members of this genus can, according to Professor Huxley, be sorted into two series by certain cranial characters.
Fig. 207.—Fennec Fox. Canis zerda. × 1⁄5.
Fig. 208.—Prairie Wolf or Coyote. Canis latrans. × ⅛.
The two series he termed the "Alopecoid" or Fox-like, and the "Thooid" or Wolf-like. It was suggested that the generic name Vulpes be used for the former, and Canis for the second. The characters which will be dealt with immediately are also to be noted among
