SDID.K OE PICK. 



471 



teen pairs of ribs in the pig ; the carpus consists of eiglit bones, 

 the trapezium being fully developed ; there are also seven Ijones 

 in the tarsus. 



Most of our domestic swine have probably descended from 



Fig. 244. — Teeth of Pig. 

 1. Upper teeth, table surface ; 2, lower teeth ; 3, lateral view of jaws. (Chauveau.) 



the Wild Boar (iSVs serofa). The Avild boar at one time in 

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



