

CONTENTS. 



PAGE 



MEMOIR OF BUFFON . . .17 



ELOGE ON BUFFON ... 37 



Natural History of Mfcnkeys . . .67 



Monkeys of Asia and Africa, or those of the Old 



World .... 98 



The Black Orang. ^ 



Troglodites niger. Plate I. 99 



The Red or Asiatic Orang-Outang. 



Pithecus satyrus. Plate II. (Side View) . 109 



Plate II * (Front View) . 109 



The Hoolock. 



Hylobates hoolock. Plate III. . . 137 



The Siamang. 



Hylobates syndactyla. Plate IV. . , . 145 

 The Active Gibbon. 



Hylobates ayilis. Plate V. . . 151 



The Capped Monkey . . . .153 



The Guenons . . s 155 



The Kahau or Proboscis Monkey. 



Nasalis larvatus. Plate VI. . . .157 



