ISO 



APES AXD MO y KEYS. 



Sajou or Sapajou has been e\'olved liy a curious moditication, originally due to the 

 French naturalist, Butfon, using the word Sai (evidently tlie equivalent of Cai) 

 for the weedier capuchin, and Sajou for another species of the genus. The tenn 

 Capuchin doubtless takes its origin from the cowl-like ajipearance of the hair on 

 the forehead. 



The sapajous are represented by a large number of species, ranging ivQwx 



THE WHITE-CHEEKED SAPAJOU (1), THE BROWN SAPAJOU (2), THE WHITE-THROATED SAPAJOU (3), 

 THE SMOOTH-HEADED SAPAJOU (4)- (J Uat. siZe). 



Central America to the south of Brazil. Our knowledge as to the real number oi 

 species is, however, still very incomplete, as there is a great amount of individual 

 and racial variation, and the whole group requires to be carefully revised befoi-e 

 anything definite can be said in regard to this point. We shall therefore allude 

 only to some of the bettei'-known kinds. 



Like most of the South American monkeys, the sapajous go in troops, and in 

 Brazil ascend to the very summits of the lofty forest trees. The late Mr. Bates 



