THE BABOON. 
CYNOCEPHALUS Papio. Desm. 
In the true Baboons the facial angle of the adult varies 
from 30° to 35°, and the superciliary crests are for the 
most part considerably elevated, as is also the ridge on 
the back of the head formed by the attachment of the 
temporal muscles, which, as well as the canine teeth, are 
large and powerful. The cheeks are furnished with 
pouches capable of much distension; and the muzzle 
terminates in a flattened extremity like that of the dog, 
on which the openings of the nostrils are situated. The 
tail is generally as long as, and sometimes even longer 
than, the body ; ‘but in several of the Species it is 
extremely short. The callosities are frequently of large 
