64 PYGATHRIX 
Color. Nose, eyelids and lips flesh color, rest of face black; top of 
head to bottom of hind neck jet black; a white spot over nose; upper 
parts of body and limbs, dark gray like P. HosEr; sides of head and 
neck, chin -and entire under parts of body, and inner sides of limbs 
cream color; hands and feet black; tail above dark gray, beneath paler. 
Ex type British Museum. 
Measurements. Total length,-1,300; tail, 740; foot, 150, (skin). 
Skull: total length, 92.5; occipito-nasal length, 81.5; intertemporal 
width, 43.4; Hensel, 60; zygomatic width, 69.5; breadth of braincase, 
53.7; median length of nasals, 9; palatal length, 26; length of upper 
molar series, 24.4; length of mandible, 64.3; length of lower molar 
series, 27.1 Ex type British Museum. 
This species resembles P. HosEI very closely, the chief and really 
only difference is that the head is mostly black instead of white, and 
the under parts cream color. Its proper rank will probably be that of 
a subspecies, but as no intermediate examples of the forms have been 
obtained, it must for the present be regarded as an independent species. 
Mr. Hose says both species are found on Mt. Dulit and also on Mt. 
Batu Song, but P. EvERETTI has not been found in the low country. 
PYGATHRIX HOSEI (Thomas). 
Semnopithecus hosei Thos., Proc. Zool. Soc. Lond., 1889, p. 159, 
pl. XVI; Hose, Mamm. Borneo, 1893, p. 10; Forbes, Handb. 
Primates, II, 1894, p. 117; Elliot, Cat. Mamm. Field Columb. 
Mus., F. C. M. Pub., VIII, 1906, p. 572. Zool. Ser. 
HOSE’S LANGUR. 
Type locality. Niah in the Baram district northwest coast of 
Borneo. Type in British Museum. 
Geogr. Distr. Baram district, Sarawak; Mt. Dulit; Kina-Balu? 
4,000 feet elevation, Borneo. 
Genl. Char. Crest black, sloping backward; forehead and cheeks 
white. 
Color. Nose, eyelids and upper lip flesh color, rest of face black ; 
upper part and sides of body, hoary, mixed black and white hairs; 
forehead, sides of head and neck, chin, (tufted), entire under parts, 
inner side of arms to middle of forearm, and of legs below knee pure 
white ; outer side of limbs like body, grading into black on hands and 
feet; tail hoary gray, darkest above; eyebrows long, black. Ex type 
British Museum. 
Measurements. Total length, 1,190; tail, 670; foot, 154; length 
of crest, 40. Skull: total length, 89.7; occipito-nasal length, 79.2; 
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