354 



THE GROWTH OF THE BRAIN. 



TABLE 64. SHOWING, FROM 287 CASES OF MEN DISTINGUISHED 

 IN THE PROFESSIONS NAMED, THE PERCENTAGES OF THOSE 

 WHO GAVE PROMISE BEFORE 20 YEARS, PRODUCED BEFORE 

 30 YEARS, AND WERE DISTINGUISHED BEFORE 40 YEARS. 



The order is the same in all three periods, except in the case of 

 the Scholars, who, though giving early promise, were late in pro- 

 duction and in attaining distinction. (Sully.) 



Those professions demanding only small acquisition, 

 but a very perfect adjustment between one sense organ 

 and one set of muscles, as between the hand and the 

 ear in the musicians, and the eye and hand in the 

 artists, are precocious throughout, while the philo- 

 sophers with their need for accumulated information 

 and ripened judgment bring up the rear. Similar 

 investigations on slightly different material yield 

 accordant results. 1 



The precocity which is so marked in the formation 

 of the structural elements, and the slowness with which 

 they complete their organisation and development, are 

 features fundamental for the production of a good in- 

 telligence, for the first condition supplies the elements 

 for response to the various stimuli from without, and 

 the second prevents the formation of reactions too 

 readily organised before the frequent repetition of a 



1 Elliott, Internal. Rev., 1882. 



