XVI.] 



ARTIODACTYLA. 



297 



the second and fifth toes are well developed, though always 

 considerably smaller than the third and fourth, all four 

 metacarpal bones are distinct, and the manus is compa- 

 ratively broad. The second row of carpal bones in the 

 Pig consists of a small trapezoid, a moderate-sized magnum, 



FIG. 102. 



FIG. 103. 



FIG. 104. 



fl 



Jl 



M 



JT 



FIG. 102. Bones of the manus of Pig (Sus scrofa), \. 



F IG. 103. Bones of the manus of Red Deer (Cervns elaphus), \. 



FIG. 104. Bones of the manus of Camel (Camelus bactrianus), 



and a large unciform. In the Hippopotamus there is also a 

 trapezium. 



In the ruminating sections of the sub-order (Figs. 103 and 

 104), the third and fourth metacarpals, though originally 

 distinct, become more or less conjoined, generally so as to 



