THE 



NATIONAL GEOGRAPHIC 

 MAGAZINE 



AN ILLUSTRATED MONTHLY 



Editor 



GILBERT H. GROSVENOR 



Assistant Editor 



John Oliver La Gorge 



Associate Editors 



A. W. GREELY ALEXANDER GRAHAM BELL 



Arctic Explorer, Major Gen'l U. S. Army Inventor of the Telephone 



C HART MERRIAM DAVID T. DAY 



Chief U. S. Biological Survey U. S. Geological Survey 



O. H TITTMANN DAVID FAIRCHILD 



Superintendent of U. S. Coast and Geo- In Charge of Agricultural Explorations, 



detic Survey Dept. of Agriculture 



ROBERT HOLL13TER CHAPMAN HUGH M. SMITH 



U. S. Geological Survey Deputy Commissioner, Bureau of Fisheries 



G. K. GILBERT N. H. DARTON 



U. S. Geological Survey U. S. Geological Survey 



Vol. XXI-Year 1910 



THE NATIONAL GEOGRAPHIC SOCIETY 

 HUBBARD MEMORIAL HALL . 

 WASHINGTON. D. C. / 



NOV 51981 ) 



