PYGATHRIX 29 



Annam, P. Margarita was discovered; and at Trong, Lower Siam, P. 

 FLAViCAUDA was procured. On the boundary between Tonkin and 

 China P. FRANgoisi was taken. In northern Cochin China and on the 

 Island of Hainan P. nem.eus was procured, and at Saigon, and near 

 the mouth of the Mekong River, P. nigripes was obtained. In the 

 Malay Peninsula at Trang, P. robinsoni was procured, and at Keka 

 P. NUBiGENA was found, while at Selangore in the south, P. dilecta 

 was obtained. In the Mergui Archipelago off the west coast of the 

 Malay Peninsula, on the island of St. Matthew, P. sanctorum was 

 discovered. In the Straits of Malacca, on the islands of Langkawi 

 and Turutau, P. carbo was obtained. In the Rhio Archipelago at 

 Telok Pemudong, Batsu Island, P. c. pullata, and on Pulo Bitang. 

 P. RHiONis were discovered, and on Kundur, P. cana was found. 

 Sumatra has several species of this genus. In the Langhat district, 

 north eastern part, is P. thomasi ; P. cristata at Padung and Indra- 

 pore, and also on the west coast at Bay of Lampongs ; on the east coast 

 at Kompei, is P. percura ; and on the Katiman River is P. catimana ; 

 while in the south near Telok Betong is P. fuscomurina. In the Indra- 

 pore district in the northwest, to Bencoulen in the southwest, we have 

 P. melanolopha and P. nobilis, exact locality unknown ; and lastly on 

 Mt. Ophir P. sumatrana. On South Pagee Island of the Metawee 

 Group, P. POTENZiANi is found, P. cristata is said by Schlegel, (p. 31), 

 to be found on Banka, but I have no knowledge of its presence there. 

 In the great Island of Java two species are found, P. aygula in the 

 mountains of the western portion, and P. aurata in the south and east, 

 at Tjelatjap and Sourabaya, or their vicinities. In the Karimata Islands 

 at Telok Edar, P. carimata is found. On Natuna Island, of the group 

 of that name, P. natuna was discovered. Borneo possesses a number 

 of species of Pygathrix, and commencing in the northwest we have P. 

 NUDiFRONS at Bepalong, Sarawak ; and on the Miri River, Sarawak, is 

 P. cruciger, which is also found on the borders of the Butong Lupar, 

 and Bakam rivers. At Miah, also on the northwest coast, in the Bairam 

 district, is P. hosei and P. chrysomelas ; and at Paitan, P. sabaxa is 

 found. On Mount Dulit, at an elevation of 3,000 feet P. ultima is 

 met with ; and on Mt. Kina Balu at 3,500 feet elevation P. everetti 

 dwells. From eastern Borneo, east of the Banjer River we have P. 

 FRONTATA. Lastly from Mt. Malu at a height of 1,000 feet to east of 

 the Banjer River, and in western Borneo to south of the Kapuas River, 

 and in south western Borneo P. rubicunda ranges. The habitat of one 

 described form, P. holotophrea, is unknown, nor is there any speci- 

 men extant so far as I am aware. 



