X 



r 



AMERICAN GEOGRAPHICAL SOCIETY 



RESEARCH SERIES NO. I4 

 W. L. G. JoERG, Editor 





THE GEOGRAPHICAL 



CONCEPTIONS OF 



COLUMBUS 



A Critical Consideration of Four Problems 



BY 



GEORGE E. NUNN 



I 



MARINE 



BIOLOGICAL 



LABORATORY 



VVWDS MOLE, MASS. 

 W. H, 0. !. 



AMERICAN GEOGRAPHICAL SOCIETY 



BROADWAY AT 1 56TH STREET 



1930 



