7o 
APES AND MONKEYS. 
chief one by which these monkeys are distinguished from some closely allied 
African monkeys. The row of long stiff black hairs seen in our figure, projecting 
from above the eyebrows of the langurs, is another feature by which these monkeys 
may be easily recognised. Further, the skulls of all the langurs may be readily 
distinguished from those of all other monkeys, with the exception of the allied 
African group mentioned above, by the circumstance that the aperture foi the 
THE HANUMjCn MONKEY, OR TRUE LANGUR. 
nostrils, which is exceedingly narrow, extends upwards between the sockets for the 
eyes, instead of stopping at about the level of their lower border. 
Almost the earliest account that we have of the langurs relates to those of 
Ceylon, and was given in the year 1681 by one Robert Knox, an English seaman, 
who for nearly twenty years had been a prisoner in that island. Knox says that 
some of the Singalese monkeys “ are as large as our English spaniel dogs, of a 
darkish-grey colour, and black faces, with great white beards round from ear to 
ear, which make them show just like old men. They do but little mischief, keeping 
