232 ALLEV'S NATURALIST'S LIBRARY. 



across the forehead rufous-yellow; the hairs directed upwardly, 

 bordered by a narrower streak of deep black over the eyes ; the 

 under side of the fore-limbs, the posterior aspect of the thighs, 

 and the entire leg, the buttocks, and the whole of the under 

 side of the tail as far as the nude portion (which is black), rich 

 orange-yellow; under surface of body paler. Face naked, black, 

 and bordered by a broad white patch of whiskers, reaching 

 from the temple nearly to the angle of the mouth. The 

 black part of the limbs and legs near to the yellow colour, 

 varied with more or fewer yellow hairs. 



Female and Young Male. Similar to the adult male, but less in 

 size, and the coloration paler than in the adult male. Elbows 

 and feet black ; under side of the body greyish-yellow. The 

 white stripe on the sides of the face is wanting in the young 

 female. 



Distribution. Chyavetas, Nauta, and Elvira in the Peruvian 

 Amazons ; Upper Rio Negro, Serra de Cocoi ; Upper Cauca 

 river, a southern confluent of the Orinoco ; Venezuela. " This 

 species is found on both sides of the Peruvian Amazon 

 (or Maranon), on both shores of the Huallaga, and in the 

 interior forest near the town of Chamicuros. I was told 

 by some of the oldest Indians that these animals are com- 

 mon in the dense forest on the hills near the latter town, 

 their range extending between the Huallaga river and Ucayali 

 river to the head- waters of the Huallaga, between the towns of 

 Lamas and Sarayacu. . . . Then again on the Rio Tigri 

 . . . and over the head-waters of the Rio Napo, Rio 

 Japura and Rio Negro, where Natterer first discovered it." 

 (Bartlett) 



Habits. This Monkey, the " Chuva de Baracamorros " of 



