ftALEOPITHECUS VOLANS. 171 



Hyiohates syndactylus Fr. Cuvier. 



An adult male, two adult females and two young spe- 

 cimens from West-Sumatra. 



Semnopithecus melalophus Raffles. 



An adult female and a young specimen from West- 

 Sumatra. 



Semnopithecus pruinosus Desmarest. 

 Two adult females from West-Sumatra. 



Macacus nemestrinus Desmarest. 



An adult male from West-Sumatra. The head is orna- 

 ted with a brownish black cap , and a stripe or band of 

 the same color , broad between the shoulders , occupies 

 the middle of the back as well as the upperparts of the 

 tail to its end. 



Nycticehus tardigradus Fischer. 



An adult male and a ditto female from West-Sumatra. 

 In this male all the hairs have pure white tips, giving 

 the animal a beautiful silverly tinge : the dark back-liue 

 is distinctly visible to the base of tue tail. The female is 

 ashy brown : the dark back-line occupies only the anterior 

 part of the back. 



Tarsius spectrum E. Geoffroy. 



Six adult specimens and a very young one. The latter 

 in a very bad state of conservation. From North-Celebes. 



Galeopithecus volans Shaw. 

 An adult female and a young male from West-Sumatra. 



:Notes from thie Leydexi M-UHeum, Vol. V. 



