Environment and Efficiency 



SECTION I 

 INTRODUCTION 



MY chief purpose in writing this thesis has been to show by 

 a collection of definite results the overwhelming part played 

 by environment in the building-up of human efficiency. 



Perhaps it will be well to state in the first place what I 

 have taken as my standard of " efficiency." Mr. Charles 

 Booth, in his Labour and Life of the People, classes the popula- 

 tion of East London as follows : 



