A COLLECTION OF MAMMALS FROM SIAM. 5 



direction shown by tliis female is well illustnited by an abnormal male 

 from Bandon in which the loloiir of the pelage ranges from cafe-au-lait 

 to snuff-brown ( cf. Robinson and Jvloss, l.c s. ). 

 ( For measurements see table p. 7. ) 



3. Presbytis osbcura smithi, subsp. nov. 



Ti/pe. Adult female ( skin and tkull ) Author's No. 2080/CBK. 

 Collected at Klong Bang Lai, I'atiyu, I'eiiinsular Slam on 21st 

 Jaiiuaiy 1910. 



Characters. Most resembling P. o. jlarinaiuhi, Elliot.* from 

 Trang, Peninsular Siam, but tail, ears, and limbs lighter in colour, the 

 grey of the thighs extending fai'ther on to the rump and contrasting 

 sharply with the black body and feet ; occipital cap less yellowish. 



Colour. Back and sides brownish-black to black ; frontal fringe, 

 sides of head, hands and feet, black ; lips an<l chin with whitish hairs, 

 the skin of these parts and of the eyelids being pinkish-white in life. 



Cap })ale smoke-grey ; shoulders, aiul anterior median line of 

 back hair-brown, tiie latter bronzed ; fore-limbs a variable hair-browu 

 lightening to grej' on the elbows and darkening on the forearm to the 

 black of the hands ; chest pale hair-brown ; abdomen smoke-grey ; 

 buttccks, hind-limbs and entire tail very pale silveiy grey sharpl_v 

 contrasting with the black feet and trunk ; the inner side of the tiiighs 

 neutral grey ; ears thinly clad and fringed with silverj- hairs. 



ShiU iiiid Teeth. Like those of i'. o.jlitriatiul.i but with rostrum 

 and ])alate tiecidedl}' broadei-. 



Measurements. Exteinal biorbital breadth, 63. .j ; orbit to gna- 

 thion, 29.0; breadth of rostrum above middle of pm', 32.0; jialatal 

 breadth at middle of m', 20 8 ; palatal length. 38.0. For other measure,- 

 ments see p. 7. 



Specimens examined. One, the type. 



lieinnrhs. The intensely black feet in sharp contrast with tlie 

 silvery leg and the ))aler limbs an<l cap very well diffei-entiate this race 

 from the more soiithein foim. With it, however, may probabl)' be 

 associated the langurs from Kisseraing and Sir William .lames islands 



vol.. II, Jl'XlC lllKi. 



