60 BULLETIN UNITED STATES GEOLOGICAL SURVEY. • [YolY. 



panied by cranial bones or teeth. The characters are, however, suffi- 

 ciently clear for purposes of determination. The great tuberosity of 

 the humerus is produced beyond the head, and does not close round the 

 bicipital groove. The intertrochlear ridge is well developed, and there 

 is no internal epicondyle; the external epicondyle is moderately devel- 

 oped. On the carpal extremity of the ulno-radius, the facets of the 

 scaphoid, lunar, and cuneiform bones, are distinguished by strong 

 obhque ridges, and the last named is nearly in the horizontal line of the 

 two others. In the carpus, the trapezoides is distinct, and the trapezium 

 wanting. The unciform is in contact with the lunar. Metacarpals two, 

 distinct from each other, with free rudiments of the second and fifth at 

 their proximal extremities. Their distal keels confined to the posterior 

 faces of their extremities. Phalanges depressed; ungues short, obtuse. 



In the above description is found a combination of characters not 

 known to me to exist in any recent or extinct genus of Artiodactyla. 

 Several of its features indicate affinity to the suiHine di\ision, while 

 others point to the Bunmiantia. The imperfect distal articulation of 

 the metacarpals is characteristic of the extinct types Oreodontidm and 

 PoebrotJieriidw, and the two distinct metacarpals constitute the resem- 

 blance to the latter family the stronger. The latter character is, how- 

 ever, not inconsistent with the Omnivora, and the depressed phalanges 

 add to the Aveight of affinity in this direction. The distal extremity of 

 the humerus is much like that of a peccary. The distal articular sur- 

 face of the ulQO-radius points, however, again to the Bwninantia of the 

 group Fecora, displaying a specialization quite in contrast with the 

 primitive character of the metacarpo-phalangeal articulation. From 

 these considerations it can be seen that it is not easy to affirm whether 

 this genus possesses bunodont or selenodont dentition. If I may ven- 

 ture an inference as to the affinities of the genus, I would suggest that 

 it will be found to be as nearly allied to the Hypertragulidce as to the 

 Oreodontidw, though not without suilline affinities. 



Specific Characters.— The only species of this genus known to me is of 

 large size. It is represented by the greater part of a scapula and both 

 anterior limbs and feet; by the pehis, femur, and part of tibia, and by 

 some vertebrae; all found in immediate association by Mr. Sternberg. 

 These remams indicate an animal of the size of the Bliinoceriis indicus. 

 The animal is characterized by the massive proportions of the humerus 

 as compared with the femur, and by the short, robust form of the meta- 

 carpals. 



In the humerus, the external border of the great tuberosity is entire, 

 and is not reverted, but descends backwards like the remainder of the 

 surface. The apex of the great tuberosity is much recurved, rismg 

 steeply proximad of the head. The bicipital groove is deep. The lesser 

 trochanter is large and simply conic ; its transverse extent is not great. 

 External to its base is a small tuberosity, which is represented in Bos 

 but not in Dicotyles or Sus. The deltoid crest is very prominent, de- 



