T 5 ° 
APES AND MONKEYS. 
Sajon or Sapajou has been evolved by a curious modification, originally due to the 
French naturalist, Buffon, using the word Sai (evidently the equivalent of L ai) 
for the weeper capuchin, and Sajou for another species of the genus. The term 
Capuchin doubtless takes its origin from the cowl-like appearance of the hair on 
the forehead. 
The sapajous are represented by a large number of species, ranging from 
THE WHITE-CHEEKED SAPAJOU (1), THE BROWN SAPAJOU (2), THE WHITE-THROATED SAPAJOU (3), 
THE SMOOTH-HEADED SAPAJOU (4)—Rat. size). 
Central America to the south of Brazil. Our knowledge as to the real number of 
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 before 
anything definite can be said in regard to this point. We shall therefore allude 
only to some of the better-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 
