PLATE ACO 
Miocene Rurnoceroses. Limp anp Foot BoNESs or APHELOPS 
Fras. 1-15. Aphelops megalodus Cope, 1873. Pawnee Creek beds, near Pawnee Buttes, Weld 
Co., Colorado. 
Figs. 1-3. Amer. Mus. No. 82938a, Cope Coll. Fig. 1, la, 1b, second meta- 
carpal, anterior, external and internal views; fig. 2, 2a, fourth metacarpal, anterior 
and external views; fig. 3, 3a, 3b, 3c, radius, anterior, external, proximal and dis- 
tal views. 
Figs. 4-15. Amer. Mus. No. 8293, Cope Coll., paratype. Back of skull fig- 
ured on pl. CX XXIV. 
Fig.4. Proximal end of second metacarpal; fig. 5, 5a, head of tibia, posterior 
and proximal views; fig. 6, 6a, 6b, distal end of tibia, anterior, distal and internal 
views; fig. 7, 7a, hind foot, dorsal and external views; fig. 8, caleaneum, dorsal 
view; figs. 9, 9a, astragalus, plantar and distal views; fig. 10, cuboid, internal 
view; fig. 11, navicular, distal view; fig. 12, metatarsals, proximal view; fig. 13, 
second metatarsal internal view; fig. 14a, 14b, third metatarsal, internal and ex- 
ternal views; fig. 15, fourth metatarsal, internal view. 
All figures two-fifths natural size. 
