THE LARGER MONKEYS 
257 
being soiled when drinking. The “ moustache ” 
monkey, though not so brightly coloured as the 
Diana, is in many respects a most beautiful creature. 
It is a medium-sized monkey, five or six times 
larger than the tiny squirrel monkey of Guiana, 
but the scheme and method of its colouring is much 
the same, with the substitution of “ powder blue ” 
for gamboge. In most of the “ self-coloured ” 
monkeys the whole body seems permeated with 
some particular colouring matter, black, blue, yellow, 
or green, as the case may be, just as human beings 
who have been dosed with nitrate of silver acquire a 
violet tinge. The colour is brightest in the skin, 
especially on the face and hands, but extends all over 
the body, shows between the roots of the soft fur, 
and seems to climb the hair and colour the “ stalk,” 
just as the green liquid in which a white carnation is 
placed ascends into the flower and tinges it with an 
unnatural dye. In the “ moustache ” monkey the 
face and lips are a beautiful “ powder” blue, the eyes 
bluish smoke colour, the inside of the ears as blue 
as a hyacinth, and the skin which shows between the 
soft hair on the arms, legs, and chest a paler turquoise 
shade, which makes the greyish fur of the lower 
parts a chinchilla colour. The fur on the back is of 
yellcw and black mixed, shading into the grey of the 
abdomen by gradual changes. 
The inmates of the main cages in the centre of the 
house, with the exception of the Capuchins, are nearly 
all Old World species, and exhibit much that is 
