1919] Merriam: Tertiary Mammalian Faunas of Mohave Desert 569 



Figs. 193a and 1936. Pliohippus?, sp. Third metacarpal and lateral meta- 

 carpal, no. 21203, X %. Fig. 193a, anterior view; fig. 1936, side view. Eicardo 

 Pliocene, Mohave Desert, California. 



Fig. 194. Pliohippus?, sp. Third metacarpal with lateral metacarpals, no. 

 21202, X %. Eicardo Pliocene, Mohave Desert, California. 



Figs. 195 to 199. Hipparion and Pliohippus. Phalanges, X %. Fig. 195, 

 first phalanx, no. 21200 ; fig. 196, first and second phalanges, no. 21197 ; fig. 197, 

 second phalanx, no. 22255; fig. 198, first phalanx, no. 2312(5; fig. 199, first phalanx, 

 no. 23127. Eicardo Pliocene, Mohave Desert, California. 



