GEOLOGICAL SURVEY OF THE TERRITORIES. 

 Family 17. — Cavicornia. 

 (Sub-family Antilophuv.) 

 Antiloca^pra mnericana, Ord, (prong-hora antelope :) 



GG9 



Sal). — Plains west of Missouri, from the Lower Rio Grande to the 

 Saskatchewan, and west to the Cascade and Coast JRanges of the Pacitic 

 slope. 



On-dei' IX.~CIIEII40PTEKA, THE BATS. 

 Family. — Yespertilionid^. 

 Ifycticejus crepusciilaris, Allen. 



Hob. — United Statel, from Atlantic to Pacific. 

 Vespertilio lucifugus, Leconte, (the blunt-nosed bat :) 



Hab. — North America generally. 



Ves2yertiUo yumanensis, Allen, (the Gila bat :) 



Hab. — Eastern slope of Eocky Mountains to Pacific coast. 



