12 



THE merycoidodontid;e 



Protoreodon — Saskatchewan, Utah, Wyoming 

 P. medius — Uinta, Utah 

 P. minor — Uinta, Utah 

 P. paradoxicus — Uinta, Utah 

 P. parvus — Uinta, Utah; Fremont, Wyo.; 



Saskatchewan 

 P. pumilus — Uinta, Utah 

 P. sp. — Uinta, Utah; Saskatchewan 



Ticholeptus — Colorado, Montana, Nebraska, 

 Nevada, Oregon, Wyoming 

 T. bannackensis — Beaverhead, Mont. 

 T. brachymelis — Jefferson, Mont. 



Ticholeptus — Colorado, Montana, Nebraska, 

 Nevada, Oregon, Wyoming — Continued 



T. breviceps — Silver Bow, Mont. 



T. hypsodus — Sioux, Neb. 



T. obliquidens — ? Broadwater, Mont.; Grant, 

 Ore. 



T. petersoni — Humboldt, Nev.; Niobrara, 

 Wyo. 



T. rusticus — Northeast Colo. ; Fremont, 

 Wyo. 



T. smithi — Granite, Mont. 



T. zygomaticus — Meagher, Mont.; Mal- 

 heur, Ore. 



T. sp. — Humboldt, Nev. ; Malheur, Ore. 





