Reflexes and Iinitatioii 79 



includes in it all conscious imitation, use of maternal 

 instruction, and that sort of thing (the vehicle of ' social 

 transmission') — no less than on the more special defini- 

 tion spoken of above — we still find the principle of 

 natural selection operative in the production of instincts 

 and reflexes.^ 



1 This and the two preceding papers in Science (and in this work) are 

 not intended as more than preliminary statements of results thrown into the 

 form of criticisms of particular views {i.e., Romanes' and Cope's). It is for 

 this reason that further reference is not made to the literature of the subject. 



