Species ami Sul>spec{es of Moukfijs. 'I'u 



lonjjor and broader ; zyi;omatic arch less rounded anteriorly ; 

 rostrum wider than lon<;f ; incisor tcetli much Inr^^or ; tooth- 

 rows curved, not strai<;ht ; basioccipiral much wider ; lower 

 nu)lars smaller ; aseendin;^ ramus ot" mandible wider; upper 

 and lower tooth-rows mucii lonjiC'^r, 



Culuiir. Patch above eyes tlesh-colour. General hue 

 burnt ural)er, as in P. bintangenns, and hairs banded in the 

 same way w ith tawny ochraceous ; top of head redder than 

 in the spceit-s compared, the arms more thickly speckled 

 with yellow and the le;rs much paler, a smoke-fjrey instead 

 of iron-jjrey ; tail black above, silvery grey beneath ; rest of 

 pelage like P. bintimyeusis. 



Measurements. Total lenfjth 977 mm. ; tail 573 ; foot 135 ; 

 ear 3t (collector). Skull: total length 110-8; occipito- 

 nasal length 94-2 ; hensel 7«*5 ; zygomatic width 73-2 ; 

 intertemporal width 421 ; greatest width of braiu-case 57"1 ; 

 length of orbital ridge 539 ; greatest width of rostrum 35 ; 

 length of rostrum 35 9 ; length of nasals 24; palatal length 

 39; lengthof upper tooth-row 29 1 ; length of mandible 79'2 ; 

 length of l(jwer tooth-row 37"4. 



Type in British Museum, uo. 9. 4. 1. 20. 

 AVith the exception of a redder liead and hind-neck and 

 paler leg-s, the present species and the one from liintang 

 Island resemble each other in colour ; but P. dollmani is a 

 larger and finer animal and has very different cranial 

 characters, as shown above. 



It gives me mueli pleasure to name tliis handsome 

 Macaque after Mr. G. Dollman, Assistant in the Mamraal- 

 ogical Department of the British Museum, who has been of 

 the grentest aid to mc in my investigation of the Primates 

 in the collection of the Institution. 



Pithecus bintanyensis, sp. u. 



Type loculity. Sungei Biru, north-east part of island of 

 Bintang. 



Geoyr. distr. Islands of Bintang and Batam. 



Gen. char. General hue dark burnt umber ; facial region 

 tliree-fourths the length of the brain-case ; septum very 

 narrow : outer edge of zygomatic arch straight, sloping 

 slightly inward posteriorly to root of zygoma ; greatest 

 width of rostrum ccpial to its length; tooth-rows straight ; 

 teeth of nioderate size; width of palate about ccpial through- 

 out its length ; brain-case balloon-shape, much constricted 

 at intertemporal region, bulging posteriorly. 



Colour. — Ma/e. Patch above eves Hesh-colonr; general 



