34 MAMMALIA. 



f. A stuffed adolescent female : almost uniform greyish 

 brown, darkest on the forehead and hrachium ; palest on the 

 side of the face and on the supercilium. Presented by Wm. 

 Rutledge, Esq., 4th September 1870. 



g. A stuffed young female, and the bones of the trunk : 

 nearly the same as the preceding ; the viscera in alcohol. 

 Presented by Wm. Kutledge, Esq., 2nd July 1872. 



li. A stuffed young female, and the bones of the trunk : 

 slightly darker than the last two ; fuliginous yellow on the 

 lumbar region, hips, upper half of the inside of the thighs, 

 chest, and belly, the chin, the sides of the face, and the super- 

 cilium. Presented by Wm. Rutledge, Esq., 26th June 1873. 

 i. The skin of a young female, its skull (milk dentition) and 

 the bones of the trunk : resembling the preceding specimen. 

 Second and third digits of the right foot partially [united at their 

 base. Presented by Wm. Rutledge, Esq., 10th April 1876. 



j. The skin of a young male, the skull and bones of the 

 trunk : ashy grey on the upper parts, darkest on the crown, 

 the forehead being greyish white ; the throat, neck, chest, 

 mesial line of the belly, and the front and outside of the thighs 

 yellowish grey ; the fingers and the distal ends of the toes dark 

 brown. Presented by Wm. Rutledge, Esq., 7th July 1877. 



k. The skin of an adolescent female, its skull and the bones 

 of the trunk : hke the preceding specimen, but somewhat 

 paler; no yellowish grey on the throat, no brown on the 

 fingfers and toes ; yellowish around the callosities and on the 

 back of the thighs. Presented by the Zoological Gardens, 

 Calcutta, 21st July 1877. 



I. The skin of a young female, its skull and the bones of 

 the trunk : like the preceding individual, but somewhat darker. 

 Presented by Wm. Rutledge, Esq., 10th December 1878. 



m. The skin and skull of a young male. Presented by 

 Wm. Rutledge, Esq., 3rd December 1879. 



«. The skin and skull of a young female resembling i. 

 Presented by Wm. Rutledge, Esq., 2nd March 1880. 



10. Hylobates leucogenys. 



L'Onke, Tahraca, Mist. Civile et Nat. de Siam, t. ii, 1771, 

 p. 308. • 



Hylobates Ipucogenys, Ogilhy, Proc. 2!ool. Soc, 1840, p. 20 ; Anderson, 

 Anat. Sf Zool. Besch. ^c, 1878, p. 6. 



Hah. Siam. 



10a. The skin, the skull, and the bones of the trunk of a 



