500 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 92 
Specific characters.—Size about equal to that of Canis rufus speci- 
mens from Missouri and Arkansas. Jaws relatively short with pre- 
molars in a nearly continuous series. Lower jaws weak with teeth 
Figure 41.—Canis edwardii, new species: Skull and right ramus of mandible (U.S.N.M. 
No. 12862), type specimen; lateral and ventral views of skull, lateral and occlusal views 
of mandible. A less foreshortened view of the occlusal surface of M! is included with 
the ventral view of the skull. ><%. Curtis ranch Pleistocene, Arizona. 
relatively large. Distance between lower molars and condyle rela- 
tively short. Coronoid small and backward projecting. Angle large, 
well separated from condyle and projecting markedly backward. 
