Troxell — Vertebrate Fossils of Rock Creelc, Texas. 623 



only remnant of the premolar dentition. The only specimens 

 similar to it are those of Eschatius conidens (2*16) from the 

 valley of Mexico and another much broken specimen from 

 Oregon. 



The teeth of the Yale specimen, by their setting at an angle 

 trending backward, their lack of cement filling, narrow short 

 crowns, and sharp cusps, indicate the browsing character of the 

 animal. 



Fig. 7. 



Fig. 7. Auchenia hesterna, first phalanx. 1, front, and 2, side views. 

 One-third nat. size. 



A moderate-sized scapula (ratio 84 per cent) (fig. 10) prob- 

 ably belongs with the teeth just mentioned. The bone is 

 light, it has a good coracoid for leverage, a broad articulation 

 not easily dislocated, and is, undoubtedly, possessed of universal 



Fig. 8. 



Fig. 8. Eschatius conidens, maxillary with alveolus of P 4 , the sole 

 remnant of the premolar dentition, and M 1 and M 2 . One-third nat. size. 



movement, so far as such is to be found in ungulates. Such 

 an animal should be fleet and agile, capable of scrambling 

 about over a wooded, hilly country. 



