(a H 



THE 



NATIONAL GEOGRAPHIC 

 MAGAZINE 



AN ILLUSTRATED MONTHLY 



Editor 



GILBERT H. GROSVENOR 



Associate Editor 



JOHN OLIVER LA GORCE 



Assistant Editor 



WILLIAM JOSEPH SHOWALTER 



Contributing Editors 



A. W. GREELY 



Arctic Explorer, 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 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. XXVIII— July -December, 1915 



COPYRIGHT 1916 BY 

 THE NATIONAL GEOGRAPHIC SOCIE' 

 HUBBARD MEMORIAL HALL 

 WASHINGTON, D. C. 



NOV 51981 



LIBRARIES 



