

THE SIAMIEI. 221 



We now come to another form, which, though joined 

 by many zoologists with the preceding, presents very 

 considerable differences in form and habits. We 

 begin to enter with it those small species where the 

 nails take the form of claws, and where the habits 

 become more akin to the little carnivora ; raw meat, 

 insects, and birds are relished by them, and the latter 

 are taken with great activity. The nearest in al- 

 liance to the Sapajous is the genus Callithrix of Geof- 

 froy characterised by a facial angle of 60 ; ears pro- 

 portionally very large ; the body slender ; the tail 

 longer than the body, entirely hairy, but not prehen- 

 sile ; the nails straight and raised ; colours of the fur 

 bright. The type of the genus has been taken by 

 Geoffrey in the Simia sciurea of Linnaeus, which 

 should now stand as 



