

THE 



NATIONAL GEOGRAPHIC 

 MAGAZINE 



AN ILLUSTRATED MONTHLY 



Editor 



GILBERT H, GROSVENOR 



Associate Editor 



JOHN OLIVER LA GORGE 



Assistant Editor 



WILLIAM JOSEPH SHOWALTER 



Contributing Editors 



A. W. GREELY 



Arctic Elsplorer, Major Gen'l U. S. Army 



C. HART MERRIAM 



Member National Academy of Sciences 



O. H. TITTMANN 



Former Superintendent of U. S. Coast 

 and Geodetic Survey 



ROBERT HOLLISTER CHAPMAN 

 U. S. Geological Survey 



WALTER T. SWINGLE 



ALEXANDER GRAHAM BELL 



DAVID G. FAIRCHILD 



in Charge of Agricultural Explorations, 

 Dept. of Agriculture 



HUGH M. SMITH 



Commissioner, U. S. Bureau of Fisheries 



N. H. DARTON 



FRANK M. CHAPMAN 



Vol. XXVII— January -June, 1915 



COPYRIGHT 1915 BY 



THE NATIONAL GEOGRAPHIC SOCIETY 



HUBBARD MEMORIAL HALL 



WASHINGTON. D. C. 



NOV 51981 



LlBRARi£§- 



