20 MAMMALIA OF INDIA. 
colouring, according to different authors, seems to vary consider- 
ably, which causes some confusion in description. It differs from 
an allied species, S. mazzus, in selecting low marshy situations near 
the banks of streams. Its favourite food is the fruit of the Nibong 
palm ( Oncosperma filamentosa). 
No. 12. SEMNOPITHECUS ve/ PRESBYTES OBSCURUS. 
The Dusky-Leaf Monkey. 
Hasirat.—Mergui and the Malayan Peninsula. 
Description.—Adults ashy or brownish black, darker on fore- 
head, sides of face, shoulder, and sides of body; the hair on the nape 
is lengthened and whitish, The newly-born young are of a golden 
ferruginous colour, which afterward changes to dusky-ash colour, the 
terminal half of the tail being last to change ; the mouth and eyelids 
are whitish, but the rest of the face black. 
SizE.—Body, 1 foot 9 inches ; tail, 2 feet 8 inches. 
This monkey is most common in the Malayan Peninsula, but has 
been found to extend to Mergui, where Blyth states it was procured by 
the late Major Berdmore. Dr. Anderson says it is not unfrequently 
offered for sale in the Singapore market, 
No. 13. SEMNOPITHECUS ve/ PRESBYTES CEPHALOPTERUS. 
The Ceylon Langur. 
Native Name.—Kallu Wanderu. 
Hasitat.—The low lands of Ceylon. 
DeEsSCRIPTION.—General colour cinereous black ; croup and inside of 
thighs whitish ; head rufescent brown ; hair on crown short, semi-erect ; 
occipital hairs long, albescent ; whiskers white, thick and long, terminat- 
ing at the chin in a short beard, and laterally angularly pointed ; upper 
lip thinly fringed with white hairs ; superciliary hairs black, long, stiff 
and standing erect; tail albescent and terminating in a beard tuft; 
face, palms, soles, fingers, toes and callosities black ; irides brown.— 
Kellaart. 
Size.—-Length, 20 inches; tail 24 inches. 
Sir E. Tennent says of this monkey that it is never found at a higher 
elevation than 1,300 feet (when it is replaced by the next species). 
“Tt is an active and intelligent creature, little larger than the common 
bonneted macaque, and far from being so mischievous as others of the 
monkeys in the island. In captivity it is remarkable for the gravity of 
its demeanour and for an air of melancholy in its expression and 
