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CHAPTER XI
UNGULATA (continued)—ARTIODACTYLA (EVEN-TOED UNGULATES)—SIRENIA
Sub-Order 10. ARTIODACTYLA.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Cambridge_Natural_History_Mammalia_Fig_138.png/410px-Cambridge_Natural_History_Mammalia_Fig_138.png)
Fig. 138.—Bones of the Manus—A, of Pig (Sus scrofa). × ⅓. B, of Red Deer (Cervus elaphus). × ½. C, of Camel (Camelus bactrianus). × ⅛. c, Cuneiform; l, lunar; m, magnum; m2, m5, second and fifth metacarpals; R, radius; s, scaphoid; td, trapezoid; u, unciform; U, ulna; II-V, second to fifth fingers. (From Flower's Osteology.)
The Artiodactyle or "Even-toed" Ungulates are to be distinguished from the Perissodactyla, and from other Ungulate groups, by a number of trenchant characters. The most salient