210 EVOLUTION 



daily growth of his child-playmate, and so 

 laying foundations for that great science of 

 mental embryology still best known by its 

 fit and homely name of child-study? A 

 naturalist, too, has a respect for embryology : 

 let him, then, take as guide the foremost 

 of American mind-embryologists, President 

 Stanley Hall (see the American Darwin Cen- 

 tennial volume, " Fifty Years of Darwinism"), 

 who after creating a very paradise for the 

 guild of brass instruments, and long and lead- 

 ing services to child-study, has of later years 

 applied himself to the no less fruitful and 

 perhaps even more important field of Ado- 

 lescence; that magic Dionysiac moment of 

 human metamorphosis, in which wisdom and 

 folly, madness and genius strive for mastery, 

 and ferment out from within the issues of 

 each maturing life, in passion or apathy, 

 virtue or vice, social service or crime, health 

 or insanity. For him as for Darwin "the 

 soul of man is no whit less the offspring of 

 animals than is his body. Our psychic 

 powers are new dispensations of theirs. The 

 ascending series of gradations is no more 

 broken for the psyche than for the soma." 

 Following Darwin still, his "method is always 

 and everywhere objective and observational, 

 never subjective or introspective. . . . The 

 true ultimate knowledge of our psyche is 



