598 



UNGULATA. 



Palaeotherium), with accessory tubercle behind. Odontoid process gpout- 

 like. Ulna and fibula complete, weak, fused with radius and tibia ; outer 

 digits complete but weak, U. & L. Miocene of Eur. and N. Amer. 

 Anchilophus Gerv., U. Eocene, Europe. Miohippus Marsh, L. Miocene of 



B 



D 



M JT 



FIG. 315. Carpus and metacarpus of A Equus, B Hipparion, C Anchitherium, D Palaeo- 

 thenum. c cuneiform, I lunar, s scaphoid, u unciform, m magnum, td trapezoid, ii-v meta- 

 carpals (from Zittel). 



Amer. ; \Desmaihippu8 Scott, U. Miocene, Amer., with brachyodont 

 grinders, valleys with thin cement, very similar to preceding, but if 

 anything nearer to Protohippus in its digits. In this series of genera 

 Anchitherium is perhaps the most equine, but its grinders depart 



D 



E 



FIG. 316. Bight pes of A Equus, B Hipparion, C AnchitJicrium, D PaloplotJierium, E Palato- 

 therium. ca calcaneum,. a astragalus, n navicular, cb cuboid, c 1-3 three cuteiforms, ii-iv 

 second to fourth toes (from Zittel). 



