THE LESSER WHITE-NOSED MONKEY. 
CERCOPITHECUS PETAURISTA. GEOFF. 
Tuis pretty little Monkey, first described by Allamand 
in the Amsterdam edition of Buffon under the name of 
Blane Nez, is one of the smallest, and at the same time 
one of the most curiously marked, as far at least as 
regards the face, among the Cercopitheci. It may 
always be recognised at the first glance by the white 
patch which occupies the extremity of its nose, and 
which occurs in none of the other monkeys, except the 
Cercopithecus nictitans, the White-nosed Monkey of 
Pennant, and Guenon a Nez Blanc proeminent of Buffon. 
From this species, however, it is well distinguished by 
the remarkable flatness of that feature which in the 
latter is peculiarly prominent. Some confusion in the 
synonymy has been created by Audebert, who has 
figured in his Histoire Naturelle des Singes a mere 
variety of the Blanc-nez, in which the naked parts of 
the face are of a bluish violet, under the name of 
