CHAPTER XII. 



QUADRUMANA. 



MONKEYS. 



HE American monkeys consist of two chief families, 

 — the Cebidae, and the Midas or Marmosets, — 

 which are again separated into tliirteen genera, 

 consisting of about eighty -six species, greatly diversified 

 among tliemselves. In America neither Pithecidse or Lemurs 

 are found: tliey exclusively inhabit the Old World. 



The CebidcB have thirty-six teeth ; the Marmosets possess 

 but thirty-two : three of them, however, are pre-molar, as are 

 three of those of the CebidtB, thus distino-uishino- them both 

 from all the forms of the Old World. 



The Marmosets are a low type of apes — their brain being 

 smooth, and they having claws instead of nails ; but from 

 their intelligent-looking countenances, and their gentle, playful 

 disposition, they appear to have as much sense as the larger 

 apes. 



The American monkeys differ greatly in size and form. 

 The largest — the savage black howler — is nearly two feet 



