358 



VEETiiBEATE AXIMALS. 



ridges which serve for the attachment of muscles. More than any 

 other of the Monkeys they employ the fore-limbs in terrestrial pro- 

 gression, running upon all-fours with the greatest ease. 



Fig. 262.— Side-view of the skull of a Baboon (Cynocejilmlus ursinue). (After Giebel.) 



The third family of the Catarhine Monkeys is that of the Anthro- 

 poid Apes, so called from their making a nearer approach to Man in 



Fig. 2(33. — Quadrumana. Cercupithecus mona, a Catarliim.; Monkey, one-seventh 

 of tlie natural size. 



anatomical stnicture than is the case with any other Mammal. The 

 Anthropoid Apes are distinguished by having no tail nor cheek- 

 pouches. The limbs are short — shorter than the fore-limbs — and 



