44 ANIMAL LIFE AND SOCIAL GROWTH 



scholar furnishing the research leads that will 

 justify the existence of many unproductive re- 

 search laboratories; or he might be the modest 

 donor of the millions needed to increase faculty 

 salaries to the point where these important mem- 

 bers of any university community would no longer 

 of necessity live meagerly. 



In such ecological analyses in nature the effort 

 of the investigator is directed toward sifting out 

 the important constituents from the less important 

 or inconsequential ones. All the trapping, quan- 

 titative and qualitative collecting, and them arking 

 of individuals for the more careful study which 

 we have been supposing to be made in a university 

 community might be carried on for some years 

 without yielding many records of important 

 scholars usually away from the immediate com- 

 munity, whose spoken or written ideas alter the 

 community organization profoundly. We might 

 have caught an occasional conscientious trustee, 

 or a composed benefactor, and failed utterly to 

 sense that the activities of the men concerned 

 with the stock market may affect the immediate 

 fate of our community more than any or all of the 

 individuals we have collected. 



It is needless to labor the comparison further. 

 Suppose instead that we have in hand not the 

 crude, though carefully collected data from the 



