474 | Bulletin American Museum of Natural History. [Vol. XXXIV, 
No. 15629 
As : 
Fig. 44. Cynodontomys latidens, upper jaw, outer and crown views. Lysite beds, Big- 
horn basin, Wyoming. 
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Vig 45. Cynodontomys latidens, lower jaw, inner and outer views, and crown view of 
teeth. Lysite beds, Wind River basin, Wyoming. 
