260 HIPPOPOTAMUS-LIKE FORMS CHAR, x 
separate American genera towards the European horned genera. 
A genus sometimes united with Aceratheriwm, but still differing 
from it in some points, is Aphelops (Teleoceras).' This animal is 
more nearly approximated to “the modern standard” of Rhino- 
ZaNY a 
iY E 
—~¥ E 
=i S 
A 
\\\ 
y 
ae 
MY YY Uh 
a yy Leer, 
et 
Ai 
DD = J 
Ghee 
Fra. 184.—Skeleton of M/yracodon nebrascensis. 
zs, nS 
1), 
= y) 
= 
ceroses than is its possible ancestor Aceratherium. The skeleton 
in general is more robust, even surpassing that of modern forms, 
and approaching the Hippopotamus. There is a reduction in the 
upper incisors, which are limited to two pairs, and the lower molars 
1 Osborn, Bull. Amer. Mus. Nat. Hist. x. 1898, p. 51. 
