138 Life of Upper Lake Region. 



the presence or absence of a clawed hoof. 

 There were at least three species of camel in 

 our Shoshone land. The ulna and radius of 

 the largest of these may be found on Plate 

 XXVI, where it is compared with the cor- 

 responding bones of a large recent dray horse 

 so that the reader may judge of the range in 

 size. This animal must have been fully as 

 large as the present Arabian camel. 



An Auchenia, apparently about the size of 

 a goat, and perhaps akin to the South Ameri- 

 can Llama, is represented by a portion of the 

 head and teeth of a very good fossil from the 

 Pliocene lake of the Upper John Day valley. 



The third species from the John Day is, 

 perhaps, the smallest yet noted, being only 

 about two feet high. The fossil bones of a 

 leg and foot of a large Auchenia from Silver 

 Lake region is given on Plate XXVII. This 

 is probably the Vitakeri mentioned m con- 

 nection with the Silver Lake group. A frag- 

 ment of a metacarpal bone of the Camelidae 

 family was found a few years since by D. H. 

 Roberts near The Dalles. Three phalanges 



