PYGATHRIX 41 



the two forms are entirely different, and there are examples of both 

 sexes, and of adults and young named P. frontata, in the Leyden 

 Museum, some of which exhibit the coloration of this northwestern 

 form. 



Pygathrix crucigee (Thomas). 



Semnopithecus crucigcr Thomas., Ann. Mag. Nat. Hist., X, 1892, 



p. 475 ; Id. Proc. Zool. Soc. Lond., 1893, p. 3 ; Hose, Mamm. 



Borneo, 1893, p. 15; Forbes, Handb. Primates, H, 1894, 



p. 121. 

 Presbvtis femoralis cruciger Elliot, Cat. Mamm. Field Columb. 



Mus., F. C. M. Pub., Vni, 1906, p. 572. 



CROSS-BEARING LANGUR. 



Type locality. Miri River, Sarawak, Borneo (Hose). Type in 

 British Museum. 



Geogr. Distr. Miri River, Batang Lupar River, Bakam River, 

 Borneo. (Hose). 



Genl. Char. Hair of head long, forming an irregular crest, which 

 is partly erect, and partly directed backward on the occiput; hairs on 

 fore part and sides of head directed backwards, only those in center 

 inclined to form a low, elevated, ridge-like crest. 



Color. Top and sides of head, flanks, outer side of thighs, and 

 legs below knees, deep ochraceous rufous ; back of head and neck, 

 upper part of body and shoulders, outer side of arms, stripe at knee, 

 and another on inner side of leg, hands and feet jet black ; this color 

 on the back being gradually restricted in width as it goes towards the 

 root of tail ; lower part of cheek covered with long hairs directed back- 

 ward, and reaching to the shoulders, golden yellow, as are also the 

 hairs on throat and upper part of chest ; inner side of arms reddish 

 yellow, becoming less red towards the wrist ; under parts from chest 

 to lower abdomen ochraceous rufous, but paler than the flanks ; lower 

 abdomen and inner side of legs yellowish white ; tail black, basal half 

 beneath white, and tip inclined to rufous. The type of this species 

 being a very young animal, not having obtained its fully colored dress, 

 the description has been taken from an adult male procured on the 

 Batang Lupar River, Sarawk, No. 93. 1. 30. 1. British Museum Col- 

 lection. 



Measurements. Total length, 1,240; tail, 740; foot, 160, (skin). 

 Skull: total length, 92; occipito-nasal length, 81.3; intertemporal 

 width, 45; Hensel, 60; zygomatic width, 68.1; breadth of braincase, 

 52.4 ; median length of nasals, 68 ; palatal length, 28.6 ; length of upper 



