THE MERYCOIDODONTID^ 



Upper Miocene — Continued 



Skull Spring (Sucker Creek) — Merychyus 

 sp., Metoreodon sp., Pronomotherium sp., 

 Ticholeptus petersoni, T. zygomaticus, T. 

 sp. 



Snake Creek (lower) — Merychyus cf. M. 

 elegans, Metoreodon relictus, Pronomo- 

 therium siouense, Ticholeptus hypsodus 



Virgin Valley — Merychyus sp., Ticholeptus 

 sp. 



Lower Pliocene 



Devil's Gulch — Metoreodon profectus 

 Republican River — Merychyus sp., Mery- 



cochcerus sp. 

 Ricardo — Metoreodon calif ornicus 

 Santa Fe — Metoreodon novomexicanus 

 Snake Creek — Metoreodon profectus 

 Valentine — Merychyus sp., Merycochcerus 



ccenopuSy Metoreodon profectus 



