224 



STUDY OF BRAINS OF SIX EMINENT SCIENTISTS AND SCHOLARS. 



and who usually fail to learn even a trade stand lowest in the scale. Above them 

 come the mechanics and trade-workers, the clerks, the ordinary business men and 

 common-school teachers. Highest of all we find the men of decided mental abilities ; 

 the geniuses of the pencil, brush and sculptor's chisel, the mathematicians, scholars 



Fig. 8. a. Brain of Ganss, mathematician (after Wagner), 

 of gorilla (D. 658, Mus. Roy. Coll., Surgeons of England). 



b. Brain of a Bushwoman (after Marshall), c. Brain 



and statesmen. Vigorous minds depend not only upon the acquisition of knowledge, 

 but also upon the initiative power of utilizing knowledge to the best advantage ; to do 

 this the individual must possess a brain of superior organization. Not only must it 

 be large enough ; its elements must consist of the best material and the plan of con- 



