92 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I44 



Page 



Fig. 2. Anemorhysis? musciila (Matthew) 37 



Left ramus of mandible with Ma (A.M. No. 12830), type specimen, 

 occlusal and lateral views. S X natural size. Lysite, Wind River 

 Basin, Wyoming. 



Figs. 3-5. Tetonoides pearcei, new genus and species 35 



3, Right ramus of mandible with M2 (U.S.N.M. No. 22383), occlusal 

 and lateral views. 4, Left ramus of mandible, M1-M3 (U.S.N.M. 

 No. 22382), occlusal and lateral views. 5, Right ramus of mandible, 

 Pa- Pi (Y.P.M. No. 14084), occlusal and lateral views. 5 X natural 

 size. Bitter Creek, Washakie Basin, Wyoming. 



Figs. 6, 7. Tetonoides tenuiculus (Jepsen) 35 



6, Right ramus of mandible, P4-M2 (A.M. No. 15066), occlusal and 

 lateral views. 7, Left ramus of mandible, M2-M3 (U.S.N.M. No. 

 19154), occlusal and lateral views. 5 X natural size. Gray Bull, Big- 

 horn Basin, Wyoming. 



Plate 4 



primates and rodents from the lower eocene of wyoming 



Fig. i, Absarokius noctivagus Matthew 38 



Right maxilla, P^'-M* (U.S.N.M. No. 22264), occlusal view. 5^ X 

 natural size. La Barge, Green River Basin, Wyoming. 



Figs. 2-4. Pelycodusf praetutus, new species 28 



2, Left ramus of mandible, P2-P1 (Y.P.M. No. 14697), occlusal and 

 lateral views. 3, Left ramus of mandible with Ms (Y.P.M. No. 

 14698), occlusal and lateral views. 4, Right ramus of mandible. Pa 

 (incomplete) -Ms (U.S.N.M. No. 22262), type specimen, occlusal and 

 lateral views. 2 X natural size. Bitter Creek, Washakie Basin, 

 Wyoming. 



Fig. 5. Notharctits limosus Gazin 29 



Left lower premolars, P3-P4, and right lower molars, Mi-Ms (U.S.N.M. 

 No. 19294), type specimen, occlusal view. 2 X natural size. La Barge, 

 Green River Basin, Wyoming. 



Figs. 6, 7. Scinravus zmlsoni Gazin 49 



6, Right ramus of mandible, P4-M2 (U.S.N.M. No. 22425), type speci- 

 men, occlusal and lateral views. 5^ X natural size. 7, Right maxilla, 

 M^-M* (U.S.N.M. No. 22424), occlusal view. 5 X natural size. New 

 Fork, Green River Basin, Wyoming. 



Fig. 8. Paramys, cf . excavatus Loomis 45 



Right lower molars, M1-M2 (U.S.N.M. No. 22423), occlusal view. 

 454 X natural size. Bitter Creek, Washakie Basin, Wyoming. 



Plate 5 



primates and rodents from the lower eocene of wyoming 



Fig. I. Tetonoides pearcei, new genus and species 35 



Right ramus of mandible, P3-M2 (U.S.N.M. No. 22426), type speci- 

 men, occlusal and lateral views. 5 X natural size. Bitter Creek, 

 Washakie Basin, Wyoming. 



