36 PYGATHRIX 



2, 3, 4, Tab. II, fig. 1 ; Schinz, Syn. Mamm., I, 1844, p. 36; I. 

 Geoff., Cat. Primates, 1851, p. 16; Gerv., Hist. Nat. Mamm., 

 1854, p. 63, fig. ; Wagn., Schreb., Saugth. Suppl., V, 1855, p. 

 22; Dahlb., Stud. Zool. Fam. Reg. Anim. Nat., fasc. I, 1856, 

 pp. 88, 90; Gray, Cat. Monkeys, Lemurs and Fruit-eating 

 Bats, Brit. Mus., 1870, p. 17; Schleg., Mus. Pays-Bas, Simiae, 

 1876, p. 36 ; Anders., Zool. Exped. Yunnan, 1878, p. ZZ ; Hose, 

 Mamm. Borneo, 1893, p. 9; Forbes, Handb. Primates, II, 

 1894, p. 128. 



Semnopithecus (Trachypithecus) rubicundus Reichenb., Voll- 

 stand. Naturg. Affen, 1862, p. 91, pi. XV, figs. 213-215. 



Presbytis ignita Dollman, Ann. Mag. Nat. Hist., LV, 1909, 8th 

 Ser., p. 204. 



Pygathrix rubicunda rubicunda Lyon, Proc. U. S. Nat. Mus., XL, 

 1911, p. 138. 



Pygathrix rubicunda rubida Lyon, Proc. U. S. Nat. Mus., XL, 

 1911, p. 139. 



MAROON LANGUR. 



Type locality. East of Banjer River, Southeast Borneo. Type? 

 in Leyden Museum. 



Geogr. Distr. Northern to Southeastern Borneo, to 1,000 feet 

 elevation on Mount Mulu. 



Genl. Char. Hair radiating on the forehead ; crest compressed ; 

 mandible light, slender. 



Color. Crest long, erect from crown and falling over to each 

 side from the occiput, and with the entire upper parts uniform 

 chocolate red ; outer side of limbs chestnut ; under parts of body and 

 inner side of limbs, paler, yellowish red ; hands and feet black ; tail 

 chestnut. 



Measurements. Total length, 1,260; tail, 730; foot, 175. Skull 

 total length, 96; occipito-nasal length, 85.7; intertemporal width, 41.7 

 Hensel, 56.6; zygomatic width, 68.8; breadth of braincase, 59.1 

 median length of nasals, 95 ; palatal length, 25.1 ; length of upper molar 

 series, 23.9. 



The presumed type of {S.) rubicunda, and one from which the 

 figure in Miiller and Schlegel's work was taken, is in the Leyden Mu- 

 seum. It is uniformly red, except on the inner side of limbs which is 

 paler, with a yellowish tinge. The hands and feet are like body but 

 darker, caused by the presence of black hairs, as if these members 

 were turning to that color. 



P. ignitus Dollman came from Mt. Mulu, north Borneo and the 



