106 



1. PRRSBYTIS ALBOCINEEEA, Desm. 



S 1468/08. Dusun Tna, Sclangor. 



? 1470/08. Giinono- Mengkuang Lebah, Selangov, 5,200 feet. 



[Apparently unknown soiitli of Selaugor, where it is the com- 

 monest monkey in the inland districts. — H. C. E. and C. B. K.] 



2. PRESBYTIS ALBOCINEREl CANA, Mill. 

 (? 1434, 1451 ; ? 1452, 1501. Bliah, Kiiiidur Island, Rhio Archipelago. 

 Topotypes. 



[This form and the next inhabit the high woods and are not seen 

 at river months nor in the mangroves. — H. C. E. and C. B. K.] 



3. PRESBYTIS ALBOCINEREA RHIONIS, Milt,. 

 (J 811 ; 9 780. Smigei Biini, Biiifang Island, Bliio Arcln'pelago. 



Topotypes. 



4. PRESBYTIS CRISTATA, Raffles. 



(? 1515/08 ; ? 1510/08. Kuala Sclangor, Selangor. 



[Common in the coastal mangrove zone from Province Wellesley 

 to Kuala Klaug in Selangor, but unknown in Singapore or in any part 

 of Johore.— H. C. R. and C. B. K] 



5. PRESBYTIS CRISTATA PULLATA. 



Thos. and Wrought., Ann. Mag. N. H. (8), iii., p. 439 (1909). 



(? 760 ; ? 762. Pasir Panjang, Bintang Island, Pihio Archipelago. 

 (J 921 ; 9 808, 809, 903, 904, 905, 900, 926. Tanjong Sanh and Tanjong Turiit, 

 Batani Island, Rhio Arcliipclago. 



A local race of Preshyfis cristata, differing by its darker colouring, 

 especially on forehead and forearms and smaller teeth. 



General colour as in P. cristaia but duller, bases of hairs true 

 black and pale tips quite short ; whereas in true cristata the bases are 

 slate colour, merging into silvery white for the terminal fourth of the 

 hair length. Black cap more marked than in cristata and extending 

 further back on to the nape ; forearms much less grizzlecl with white, 

 very often entirely black. 



Skull as in cristata, except that the upper tooth row is rather 

 shorter. 



Measurements op the Type : 



Head and body, 430 ; tail, (-;03 ; hind foot, 154 ; ear, 30 mm. 



Skull : greatest length, 90.5 ; basal length, G5 ; ])alatal length, 32 ; 

 greatest breadth, 69 ; braincase breadth, 50.5 ; nasal opening, 14.3 x 

 6.6 ; upper cheek tooth series, 26.3 ; maxillary tooth row, exclusive of 

 incisors, 30 mm. 



Habitat. — Batam and Bintang Islands, Rhio Archipelago (type 

 from Tanjong Turvit, Batam Islands). 



Type.— Adult female. B. M. No. 9, 4, 1, 9. Original number 906. 

 Collected 12th July, 1908. 



