1915.]| Matthew and Granger, Lower Eocene Wasatch and Wind River Faunas. 59 
Ambloctonus Cope 1875. 
Generic characters: Premolars and m! very like Paleonictis; m2 small, two-rooted 
transverse; mz with no metaconid. Heel of m: progressively trenchant; heel of mz 
progressively reduced. Zygomata wide and deep, as in Palwonictis and Patriofelis. 
Although not observed by either Cope or Wortman there is no doubt 
of the presence in the type of A. sinosus of a small transverse molar behind 
NN 
‘aes 
7 
= 
aS 
Fig. 50. Ambloctonus, lower jaws; above, A. priscus, permanent dentition, outer view, 
below A. hyenoides, milk premolars and mi-2, outer view and crown view of teeth. All 
natural size. . 
