130 Bulletin American Aliisueni of Natural History. [Vol. XTV, 



Fie. 

 A.M. 



21. Sk 



N.H., 



uU of Equus scmiplicatus iNo. 8600, Coll 

 San Diego, Texas). Palate view. 



This skull has been 

 fully described by Cope as 

 above cited. A character 

 mentioned by Cope in 

 this description, that of 

 the posterior prolongation 

 of the vomer over the 

 presphenoid, (Fig. 21) a 

 character in which it re- 

 sembles the ass, seems dis- 

 tinctly to separate this 

 species from all the others 

 of the Pleistocene in 

 which this character is 

 known, they being like E. 

 caballus in this respect, 



(21) Equus intermedius 

 Cope. 



As this term is preoccupied, 

 Hay substituted for it the term 

 E. I'otis. 



Type Locality. — Petite Anse, 

 Louisiana. 



Type. — Fragment of maxil- 

 lary containing the three molars 

 and two premolars, p- and pi. 

 A ttthor's description. — Cope's 

 description of this species is 

 given at considerable length, 

 and as much of it is a discus- 

 sion of characters that have no 

 standing, only the most import- 

 ant of the characters mentioned 

 will be repeated here. " The 

 molar teeth are as large as those 

 of the E. major and large forms 

 of the common horse. The 

 enamel folds are less comple.K 

 than those of the former, but 

 are more complex than is usual 

 in the E. caba litis. ... A 



