MACACUS. 



85 



show clearly wherein they differ. The principal difference lies in the much greater 

 transverse breadth of the base of the skull of M. lasiotis, which is 3 inches to 



Fig. 9. — Skull of Macactis lasiotis, f nat. size. 



Fig. 10. — Upper view of skull of M. lasiotis, f nat size. ' 



2'45 in M. rhesus, the greatest length of the skull of the former being 5"30 and that 

 of the latter 5 '23, the two then being of nearly equal length. But the circum- 



