70 PY¥GATHRIX 
Macacus silenus var. alba Fisch., Syn. Mamm., 1829, p. 28. 
Semnopithecus nestor Bennett, Proc. Zool. Soc. Lond., 1833, p. 
67; Less., Spec. Mamm., 1840, p. 60; Waterh., Proc. Zool. 
Soc. Lond., 1844, p. 1. 
Semnopithecus latibarbatus Martin, Charlesw., Mag. Nat. Hist., 
II, New Ser., 1838, p. 439; Waterh., Cat. Mamm. Mus. Zool. 
Soc. Lond., 1838, p. 4; I. Geoff., Cat. Primates, 1851, p. 
12; Dahlb., Stud. Zool. Fam. Reg. Anim. Nat., fasc. I, 1856, 
pp. 87, 89; Anders., Res. Zool. Exped. Yunnan, 1878, p. 23. 
Presbytis cephaloptera (!) Kelaart, Prodr. Faun. Zeylan., 1852, 
bee 
?Presbytis albinus Kelaart, Prodr. Faun. Zeylan., 1852, p. 7. 
Semnopithecus cephalopterus (!) Reichenb., Vollstand. Naturg. 
- Affen, 1862, p. 99, fig. 239; Hutton, Proc. Zool. Soc. Lond., 
(1867, p. 949. 
Vetulus nestor Reichenb., Vollstand. Naturg. Affen, 1862, pl. 
XXII, fig. 326. 
PSemnopithecus thersites Hutton, Proc. Zool. Soc. Lond., 1867, p. 
949. 7 
Semnopithecus kelaarti Schleg., Mus. Pays-Bas, Simiz, 1876, p. 
52. 
_ Semnopithecus cephalopterus (!) Anders., Cat. Mamm. Ind. Mus. 
Calc., 1881, p. 43. 
PURPLE-FACED LANGUR OR WANDEROU. 
Type locality. Ceylon. 
Geogr. Distr. Restricted to the Island of Ceylon. 
Color. Male. Black hairs along the line of forehead over eyes; 
forepart of head Prout’s brown grading to Vandyke brown on back of 
neck; upper parts of body to rump, outer side of thighs and inner 
side of arms black, speckled on thighs with white; rump pale gray; 
hands and feet black; hair on sides of face, long, reaching beyond ear; 
chin, and beneath lower jaw and hairs on upper lip yellowish white; 
entire under parts black. Face black; tail olive brown. Females are 
usually brownish and the following description of a young male is 
from one in the Calcutta Museum. Top of head wood brown; black 
stripe on side of head from eyes to ears; sides of head, neck and throat 
yellowish white, hairs on neck long; occiput yellowish brown; upper 
part of back Prout’s brown; shoulders and arms grayish or smoky 
brown; rump, thighs and tail smoky gray; knees and legs black or 
blackish brown in front, brownish on sides; hands and feet blackish. 
No skull. Ex specimen juv. ¢. Calcutta Museum. 
