CHAPTER XI 



UNGULATA (continued} ARTIODACTYLA (EVEN-TOED 

 UNGULATES) SIRENIA 



SUB-ORDER 10. AETIODACTYLA. 

 THE Artiodactyle or "Even -toed" Ungulates are to be dis- 



IF 7T[ 



FIG. 138. Bones of the Manus A, of Pig (Sus scrofa). x . B, of Red Deer (Cervus 

 elaphus). x \. C, of Camel (Camelus bactrianus). x . e, Cuneiform ; I, lunar; 

 m, magnum ; m z , m 5 , second and fifth metacarpals ; R, radius ; *, scaphoid ; td, 

 trapezoid ; w, unciform ; U, ulna ; //- V, second to fifth fingers. (From Flower's 

 Osteology.) 



tinguished from the Perissodactyla, and from other Ungulate 

 groups, by a number of trenchant characters. The most salient 



