Apr. I. 



DIMENSIONS. 



453 



No. 



Lenglh 



of 

 Skull. 



Length 



or 



Cranium. 



Breadth i Circvim- 



of ' f Teiice of 

 Cranium. Crunium. 



No. 



Length I Lenglh I Breadth Circum- 



of I of I of fertnce of 



Slcull. Cranium. Cranium. Cranium. 



19 

 19 

 19 

 IS 

 17 

 19 

 19 

 18 

 19 

 17 

 18 

 19 

 18 





 3 

 

 9 

 3 

 3 

 3 

 9 

 

 6 

 3 

 

 3 



Making allowance for diiference of sex — the skulls 

 not exceeding seven inches eight lines in length, 

 being most of them plainly female— the range of 

 diversity is here much less than would he found in 

 the same number of European skulls from a locality 

 of the same extent as the ground from which M. Du 

 Chaillu gathered the above collection. 



And this comparative conformity appears to de- 

 pend on a corresponding uniformity in the manner 

 of life, in the fewer wants, the less diversified pur- 

 suits, of the Equatorial Africans. Their food, the 

 mode of obtaining it, the bodily actions, muscular 

 exertions, and mental efforts stimulating and govern- 

 ing such acts, vary comparatively little in the peo])le 

 visited by M. Du Chaillu. The cannibal habits of 

 the Fans offer the main difference, and with them 



