SUID^ OE PIGS. 



447 



teen pairs of ribs in the pig ; the carpus consists of eight hones, 

 the trapezium heing fully developed ; there are also seven bones 

 in the tarsus. 



Most of our domestic swine have probably descended from 



FiQ. 212.— Teeth of Pig. 

 1. Upper teeth, table surfaxse J 2, lower teeth ; 3, lateral view of Jaws. (Chauveau.) 



the Wild Boar (Siis scrofa). The wild boar at one time in- 

 habited this country, but has long since been extinct. It is 



