EVOLUTION AND PSYCHOLOGY 255 



laxis. There is the psychology of language, ges- 

 ture, music, imitation, social instincts, truthful- 

 ness, infancy, childhood, adolescence, pedagogy, 

 property, play, genius, and prodigies, sleight-of- 

 hand, advertising, war, second breath, leader- 

 ship, provincialism, business and panic, psy- 

 chic epidemics, and many more, not to speak 

 of the long list of admirable studies of excep- 

 tional individuals from Helen KeUer to Miss 

 Beauchamp, Flournoy's Mile. Smith, Beers, 

 Monod, and Mrs. Piper. Instead of restricting 

 himself to the classic, old themes of memory, as- 

 sociation, logic, freedom of the will, conscience, 

 in more or less academic seclusion and aloofness, 

 the modern psychologist is often consulted by 

 parents, pedagogues, lawyers, legislative com- 

 mittees; lectures before popular audiences; or 

 writes books and articles in a catchy, impression- 

 istic style, with great attention to phrase-making. 

 ( Thus, present themes are so absorbing, so many 

 and so new, that if we are not beginning to 

 lose sight of each other, we have lacked time and 

 incentive to keep posted and interested all over 

 the field, until now the task has grown beyond the 

 ability of any one less gifted than Darwin to mas- 

 ter details, see perspective, and mosaic items into 

 true, evolutionary order which can alone bring 

 unity into this teeming but now chaotic domain. 

 The material for perhaps the most majestic struc- 

 ture yet reared by science is already quarried. 

 The need of and call for a master builder in this 



