CONTENTS. 



PAOE 



Genus XIX. Lagothrix. Two Varieties . 261 



Genus XX. Cebus. Sixteen Varieties . 261 



Genus XXL Callithnx. Eight Varieties . 265 

 Genus XXII. Aotes . . .267 



Genus XXIII. Pithecia. Nine Varieties . 267 



Genus XXIV. Hapales. Eight Varieties 269 



Genus XXV. Midas. Seven Varieties . 270 



APPENDIX. 



The Entellus Monkey . . 275 



The Varied Monkey . . . 276 



The Mangabey or White Eyelid Monkey . 278 



The Green Monkey . . 280 



The Wanderoo Monkey . . . 281 



The Coaita . . . .283 



The Large-headed Sapajou . . 285 



The Siamiri . . . .286 



The Striated Monkey . . .288 



