-)52 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXV. 



B. — Orbit opening behind into temporal 

 fossa, beneath the postorbital arch ; 

 pollex long ; second digit with a long 

 claw ; upper incisors divided by a 

 space in the middle ... ... ... II. Lemuroidea. 



Suborder I. Anthropoidea. 



Besides the IIominidae, there are two families recognisable at 

 follows : - 



A'ey to the families of the Anthropoidea. 



A. — No tail ; arm longer than leg ... /. Simiidce. 



B. — A tail present ; arm not longer than 



leg ... ... ... ... ...II. CercopitliecidjOi. 



Family I. SiMiiD^. 



The family is represented by onl}^ one 



<jrENUs Hylobates. genns. I have found no reason to make 



No. 1. hoolock, Harl, any changes in this group. I reproduce 



No. 2. lar, L. a key to the C-renns from Blanford, for 



convenience of reference, as follows : — 



Key to the species of Hylohates. 



A. — A white, or grey, band across the fore- 

 head ; hands and feet same colour as 

 the body ... ... ... ... 1 . JI. hoolock, 



Harl. 

 7?. — Hands, feet, and a ring of hair siir- 



rounding the lace, white or whitish... 2. II. lar, L. 

 Distribution : — 



1. II. hoolocli, Harlan. Tijpe locality : — GaroHills. (Dr. Burrough). 



Other localities : — Sadya. Upper Assam (B. 



M.), Upper Chindwiu (M. S. I.). 

 Type : — Unknown. 

 "2. II. lar, Linnteus. Type locality : — " India. " 



Other localities : — S. W. Siam ; Malacca ; 



&c. (B. M.), Tenasserim (M. S. I.). 

 Type :— Unknown. 



Family II. Cercopithecid^. 



The following is a key to the only two genera (Indian) of this 

 family, viz. : — 



Key to the (jenera of the C'ercopithecid^. 



.1. — Cheek pouches ; tail variable ... /. Macaca. 



li. — No cheek pouches ; tail always long... //. Pithecm. 



