1915.| Matthew and Granger, Lower Eocene Wasatch and Wind River Faunas. 443 
Notharctus venticolus Osborn 1902. 
Fig. 16. Notharctus venticolus, maxilla, outer view, and crown view of teeth. Lost 
Cabin beds, Wind River basin, Wyoming. 
x iT 
pea ey 
eee rk A AYE, 
WA mf i a A) G\\ oar mt T= <aN\\\ i) Ly 
aise, 
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Fig.17. Notharctus venticolus, lower jaw, outer view and crown view of teeth. Asavet. 
ated with maxilla shown in Fig. 16. Lost Cabin beds, Wind River basin, Wyoming. 
