MAMMALS OF BORNEO. I 5 



Since Mr. Thomas described this monkey I have obtained 

 several other specimens of this species, and although I did not 

 agree with Mr. Thomas in separating this from Scmiiopithccas 

 h(tsei\ I am bound to say that in every case the marking is 

 quite constant. Both species are found on Mount DuHt, and 

 also on Mount Batu Song, and as yet Scmiiopithcciis ci'crctti 

 has not been found in the low country. The type was ob- 

 tained by Mr. Everett on Kina Balu Mountain. 



Hab. Mount Dulit (C. Hose). Mount Batu Song (C. Hose)- 

 Kina Balu (Type of species) (A. Everett). 



SEMNOPITHECUS CRISTATUS. 



Scinnopitliccus cn'shitus^ Miiller, Tijdschr. voor Natuur. 

 Gesch. en. Phys. vol. ii. 1835, p.p. 316, 328. 



The young are reddish fawn, but the hands and feet 

 gradually change through greyish brown to the colour of the 

 adult, the crest also with increasing age becoming directed 

 forwards. 



Length of body to the vent, 2ft. 2in. 

 Length of tail 2ft. 6in. 



These silver grey monkeys are fairly common in the low 

 country, and are called by the D3-ak, ' Bigok,' and by the 

 Kayans, ' Chikok,' from the noise they make. They ascend 

 the mountains to about 2,000 feet. 



Hab. Baram River (C. Hose). Mount Dulit, 2,000 feet, 

 (C. Hose). 



SEMNOPITHECUS CRUCIGER. 



Scmnopithccns crucifi;cr, Thomas, Ann. and Mag. Nat. 

 Hist. Ser 6, vol. x. Dec. i8q2. 



This is a most remarkable monkey which has lately 

 been described by Mr. Thomas from a fiat skin obtained 

 by me some years ago at a place called Miri in the Baram 

 district. I alwavs considered the skin to be merely a striking 

 variety of Scinnopithccvs femora lis. I shot the monkey 

 on the sea coast along with a number of Scinnopitliccus 

 fcnioralis ; this was in the year 1887. I afterwards had the 

 skin of a baby brought in, the marking of which were similar 

 to that of the type, and it was obtained within a few miles of 

 Miri, at a place called Bakam. But in September, 1892, one of 

 my Dyak hunters procured three fine adult specimens of this 

 monkey in the Batang Lupar river in Southern Sarawak, and 

 reported that they had seen several other specimens of like 

 marking. In the three adult specimens the black cross down 

 the centre of the back in some cases is broken, and the thighs 

 are darker in some cases in one than the other, but the 

 St; iking red marking is kept up throughout each specimen, 



