CLASS MAMMALS: ORDER QUADRUMANA. 



Fig. 15. 



The Baboon, with its dog-like muzzle, is the ugliest and 

 most ferocious of the mon- 

 keys. It dwells among craggy 

 rocks, which it climbs with 

 great agility. Its food con- 

 sists of bulbous roots, eggs, 

 insects,* etc. In this tribe 

 the Mandrill is conspicuous 

 for its variety of color 

 its nose being red, with a 

 bright scarlet tip; its cheeks, 

 a brilliant blue ; its beard, 

 citron-yellow; its hind-parts 

 violet ; and its body a grayish 

 brown, tinged above with 

 olive. 



Cebidae. The Platy- 



rhine monkeys are found in cynocephdiu* mormon. Mandrill. 4, 

 great numbers climbing 



among the trees in the forests of South America. Having 

 no callosities, cheek pouches, or opposable thumbs, they are 

 classified according to the differences in the tails : 



CEBID/t, j 



or Plaiyrhine } 



Monkeys. 



TAILS PREHENSILE, 



GENUS. 



Ateles 



SPECIES. 



pentadactylus, 



CEBID/t, J (able to grasp). \ Mycetes ursinus, 



TAILS NON-PREHENSILE. $ Jrachyurus cacajao, 

 ( Hapale iacchus. 



EXAMPLES. 



Spider Monkey. 

 Bear Hmoler 

 Saki. 

 Marmoset. 



Fig. 16. 



Atiles pentadactf/lus, Spider Monkey. ^ 



The Ateles, or four- 

 fingered monkey, has 

 no thumb on the an- 

 terior extremity. On 

 account of the length, 

 flexibility, and slender- 

 ness of its limbs, it is 

 termed the Spider Mon- 

 key. The tail is prehen- 



* It devours scorpions with great dexterity, whipping off their stings so quickly 

 as to give them no chance to. strike it. 



