OF THE PENINSULAR REGION. 7 



Young, orange-yellow but rapidly assuming adult coloura- 

 tion which commences on crown and extremities. 



The Peninsular representative of this lotong is known 

 to me from the coasts of Perak and Selangor only ; Cantor 

 records it from Penang but his specimens probably came from 

 Province Wellesley. 



5. Peesbytes OBSCUEUS (Reid.) The Dusky Leaf-Monkey. 



Semnopithecus obscurus, Blanford, p. 41. 



Malay name " Chengkau." 



Pelage ashy-grey to blackish-brown, slightly paler below ; 

 crest, tail and outer side of thighs silvery ; hands and feet 

 blackish ; lips and chin clothed with white hairs. Skin of 

 eyelids, lips and chin whitish to bluish pink. Head and body 

 about 20 inches, tail 30. 



Young, orange-yellow with darker crown and extremities. 



Throughout the Peninsula. Penang and Langkawi 

 Islands. 



6. Peesbytes femoealis (Horsf). The Banded Leaf- 



Monkey. Semnopithecus femoralis, Blanford, p. 42. 



Malay name " Kaka." 



General colour sooty or brownish black; crest, nape and 

 back paler : hands and feet, terminal half of tail, forehead and 

 cheeks black. Inner sides of arms, lower abdomen, and entire 

 inner side of thigh, extending thence narrowly to heels whitish : 

 the latter areas sharply margined. Sometimes a whitish stripe 

 down the centre of chest and on the under side of base of tail. 

 Skin of eyelids and lips pale. Head and body about 21 inches 

 tail 30 inches. 



Young, white with crown and end of tail black. 



Throughout the Peninsula and Singapore Island. 



Schlegel (Mus. Pays-Bas, VII, p. 47) has separated the 

 Singapore animal under the name of Semnopithecus neglectus. 

 The characters of this are : — black, slightly guzzled with whitish : 



R. A. Soc, No. 53, 1909- 



