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CHAPTER X
UNGULATA (continued)—PERISSODACTYLA (ODD-TOED UNGULATES)—LITOPTERNA
Sub-Order 8. PERISSODACTYLA
Fig. 121.—Bones of the manus A, of Tapir (Tapirus indicus). × 1⁄5. B, of Rhinoceros (Rhinoceros sumatrensis). × 1⁄5. C, of Horse (Equus caballus). × ⅛. c, Cuneiform; l, lunar; m, magnum; p, pisiform; R, radius; s, scaphoid; td, trapezoid; tm, trapezium; u, unciform; U, ulna; II-V, second to fifth digits; V in B, and II and IV in C, represented by rudimentary metacarpals. (From Flower's Osteology.)
These Ungulates derive their name, which is that given by the late Sir Richard Owen, from the fact that the middle digit of the hand and foot is pre-eminent. As will be seen from Fig. 121, the axis of
