OF THE PENINSULAR REGION. 9 



are serni-arboreal and their diet is both animal and vegetable : 

 they thrive well in confinement. 



Key to the Species. 



A. Tail more than three-fourths the length of head and 



body ... ••• ... M. FASCICULAEIS. 



B. Tail about one-third the length of head and body 



M. NEMESTEINA. 



C. Tail about two inches long only ••• M. EUFESCENS. 



8. Macaca FASCICULAEIS (Raffles). The Crab-eating Ma- 

 caque. Macacus cynomolgus, (Linn); Blanford p. 21. 



Malay name " Krah." 



Crown of head, neck and back a speckle of black and 

 ochraceous giving a general golden-brown or rufous effect but 

 becoming gradually greyish on the limbs, sides of neck, tail 

 and under parts. Eyebrows black. Head and body about 20 

 inches ; females smaller. In immature animals the tail is longer 

 than the head and body, in adults it is often a little shorter. 



Throughout the Peninsula and adjacent Islands. 



9.* MACACA XEMESTBIXA (Linn). The Pig-tailed Macaque. 

 Blanford, p. 20. 



Malay name " B'roh." 



Males : — Eyebrows, centre of forehead, crown, upper 

 nape, lumbar region, rump and upper side of tail sooty black, 

 everywhere distinctly margined except on neck and back. 

 Behind and above ears, the eyes, sides of forehead, cheeks, 

 throat and chest and a small area surrounding the callosities 

 greyish white ; muzzle and abdomen yellower. A line from 

 crown running round the front of ears mingled ochraceous 

 and sooty. Under side of tail greyish-buff, tipped ochraceous. 

 Eemainder of pelage, including the back across shoulders, 

 strongly annalated ochraceous-buff and sooty, producing a 

 speckled russet effect darkest on sides and hind limbs which 



R. A. Soc, No. 53, 1909- 



