- 2 - 
I hold no brief for Hutchinson’s paper, indeed I confess that I can’t understand his 
diagrams, but probably that is not his fault entirely. 
I believe that ecologists as a rule are just as conscientious and 
painstaking in their investigations as other men of science, and that the further 
development of phytogeography in America will depend more upon cooperation among 
those* interested than upon exchanges of t 
Very sincerely yours. 
^ r3 r\-P T'lO'v 
Head of Department. 
