SIMIAD^l. 413 



Zoological Society, is also destitute of a nail on the hinder thumbs : the 

 fore-hands are brown above ; the palms tanned flesh colour ; the circle 

 round the eyes, the nostrils, and the lips, are livid yellow ; the upper part 

 of the nose, the forehead, and cheeks, are livid brown. Its habits and 

 manners precisely resemble those of the individual Orang before described. 

 The annexed figure (270) represents this individual in the act of 

 hobbling along, supported on its arms, and is very characteristic of its 

 attitude. 



270 



Orang outan (young 1 female) . 



GENUS. HYLOBATES. 



Hylobates . , ILLIGER, Prodrom. Syst. Mamm. 1811. 



Pitkecus in part, GEOFFROY, in Ann.du Mus.xix. 1812. 



GENERIC CHARACTERS. MUZZLE depressed; nostrils small; forehead 

 retreating ; HEAD small ; BODY slender ; ARMS extremely long, reaching 

 to the heel ; THUMB separated to the wrist from the fingers, and 

 scarcely opposable to the latter; PALM very narrow ; POSTERIOR 

 EXTREMITIES bowed, small ; FEET long, narrow ; index and second toe 

 sometimes united; ISCHIATIC CALLOSITIES present, but small ; TAIL want- 

 ing; CHEEK-POUCHES wanting ; LARYNGAL SACCULI present or absent ; 

 FUR deep, full, woolly. 



COUNTRY. Java, Borneo, Sumatra, Malacca, Siam. 



The affinities of the Gibbons to the Orangs are too decided to be 

 overlooked or misapprehended. In general form ; in the absence of a 



