NO. I LOWER EOCENE MAMMALIAN FAUNAS — GAZIN 93 



Page 



Fig. 2. Omomys, cf . vespertinns Matthew 32 



Right ramus of mandible, M1-M2 (U. of Wyo. No. 1647), occlusal and 

 lateral views. 5 X natural size. Red Desert, Continental Divide 

 Basin, Wyoming, 



Fig. 3. Absarokius, near A. abbotti (Loomis) 37 



Right ramus of mandible, P3-M3 (U. of Wyo. No. 1644), occlusal and 

 lateral views. 4 X natural size. Red Desert, Continental Divide 

 Basin, Wyoming. 



Fig. 4. Uintasorex, cf. parvulus Alatthew 39 



Right ramus of mandible, M2-M3 (U. of Wyo. No. 1646), occlusal and 

 lateral views. 6 X natural size. Red Desert Lostcabinian, Great 

 Divide Basin, Wyoming. 



Figs. 5, 6. Kmghtomys senior Gazin 46 



5, Left lower molars, M2-M3, and right lower cheek teeth, P4-M2 

 (U.S.N.M. No. 22415), occlusal view. 6, Right ramus of mandible, 

 P4-M2 (U.S.N.M. No. 19308), type specim.en, occlusal and lateral 

 views. Occlusal views 6 X natural size ; lateral view 3 X natural 

 size. La Barge, Green River Basin, Wyoming. 



Fig. 7- Dazusonomys zvoodi Gazin 48 



Left lower cheek teeth, P4-M1 (U.S.N.M. No. 19309), type specimen, 

 occlusal view. 6 X natural size. La Barge, Green River Basin, 

 Wyoming. 



Figs. 8, 9. "Scinravus" depressus Loomis 48 



8, Right upper cheek teeth, M^-M* (A. CM. No. 432), type specimen, 

 occlusal view. 9, Left ramus of mandible with Mi (A.C.M. No. 458), 

 occlusal and lateral views. Occlusal views 6 X natural size ; lateral 

 view 3 X natural size. Lysite, Wind River Basin, Wyoming. 



Plate 6 



carnivores from the lower eocene of wyoming 



Figs. 1,2. Sinopa, cf. znilpecula Matthew 55 



I, Right upper cheek teeth, P"-M* (U.S.N.M. No. 19347), occlusal view. 

 2, Left ramus of mandible, P2-M3(part) (U.S.N.M. No. 19347), 

 occlusal and lateral views. Occlusal views ij^ X natural size; lateral 

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



Fig. 3. Sinopa, possibly S. viverrina Cope 54 



Right ramus of mandible, C-M3 (restored from left side) (U.S.N.M. 

 No. 22456), occlusal and lateral views. Occlusal view lYz X natural 

 size, lateral view natural size. La Barge, Green River Basin, 

 Wyoming. 



Fig. 4. Sinopa, cf. multicuspis (Cope) 55 



Right ramus of mandible, M1-M2 (U.S.N.M. No. 22459), occlusal and 

 lateral views. Occlusal view i/^ X natural size; lateral view natural 

 size. Bitter Creek, Washakie Basin, Wyoming. 



Fig. 5. Prolimnocyon, cf. antiquus Matthew 53 



Left ramus of mandible, P4-M2 (restored from right side) (U.S.N.M. 

 No. 22452), occlusal and lateral views. Occlusal view ij^ X natural 

 size; lateral view natural size. New Fork, Green River Basin, 

 Wyoming. 



