HUMAN LIFE 



And yet as biologist I persist in this 

 study, and I follow closely and hopefully 

 the similar studies of other biologists, 

 using this term to mean, in this instance, 

 men variously called morphologists, phys- 

 iologists, psychologists, sociologists, econ- 

 omists, political scientists, and historians, 

 some of whom may object to being called 

 biologists but most of whom are glad to be 

 so called. And in my talks to you, at the 

 courteous invitation of the authorities of 

 Brown University, and as the incumbent 

 for this year of the lectureship endowed 

 by one of Brown's loyal and generous 

 alumni, I shall try to tell you quite simply 

 and frankly something of the biologist's 

 attitude toward human life as a problem 

 he feels bound to study, and of what he 

 thinks he has found out and what he 

 knows he has not found out in the course 

 of his study as so far prosecuted. 



I started studying human life as a 



biologist by studying first plants, then 



birds, and, finally, and for a long time, 



insects. This might be called my under- 



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