CATALOGUE OF UNGULATES 



Pig. 4. — Lower TTeont Teeth of Elk (A) 



AND GiKAFFE (B), to show the difference 



in the form of the canine. 



Pia. 5. — Skull op the South American Pudu Deer to show 



the preorbital fossa, or depression {pf.), which 



contains a gland. 



