256 



University of California Publications. [Geology 



27 



Fig. 24. HypoMppus, sp. Upper molar. No. 12564, natural size. 

 Virgin Valley Beds, Virgin Valley, Nevada. 



Fig. 25. HypoMppus, near osborni Gidley. Upper molar. No. 11570, 

 natural size. Virgin Valley Beds, Virgin Valley, Nevada. 



Fig. 26. Hypohippus, near osborni Gidley. to M 3 , occlusal view. 



No. 11760, natural size. Virgin Valley Beds, Virgin Valley, Nevada. 



Fig. 27. Same as fig. 26, outer side, natural size. 



