Idiot's Brain 



'47 



average weight of adult Englishmen's brains 

 being from 48 to 50 ounces), and that the part 



FIG. 16. 



of the frontal lobe in which the " organ of 

 speech " is located had not been developed, so 

 that the part of the brain (Island of Reil) which 



K 2 



