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©«AIPIHIII(D 

 'MBAMl 



n illustrated monthly, published by the 

 National Geographic Society. All 

 editorial communications should be ad- 

 dressed to the Editor of the National 

 Geographic Magazine. Business communications 

 should be addressed to the National Geographic 

 Society. 



25 CENTS A NUMBEH; $2.50 A YEAB 



Editor; GILBERT H. GROSVENOR 



Associate Editors 



GENERAL A. W. GREELY 



Chief Signal Officer, U. S. Army 



W J McGEE 



Chief Department of Anthropology 

 and Ethnology, Louisiana Pur- 

 chase Exposition 



G. HART MERRIAM 



Chief of the Biological Survey, U.S. 

 Department of Agriculture 



WILLIS L. MOORE 



Chief of the Weather Bureau, U. S» 

 Department of Agriculture 



0. H = TITTMANN 



Superintendent of the U. 8. Coast 

 and Geodetic Survey 



O. P. AUSTIN 



Chief of the Bureau of Statistics, 

 Department of Commerce and 

 Labor 



DAVID G. FAIR CHILD 



Agricultural Explorer of the Depart* 

 ment of Agriculture 



ALEXANDER GRAHAM BELL 

 Washington, D. C 



DAVID T. DAY 



Chief of the Division of Mineral 

 Resources, U. S. Geological Survey 



ALFRED H. BROOKS 



U. S. Geological Survey 



ANGELO HEILFRIN 



Academy of Natural Sciences, Phila- 

 delphia 



Bi D. SALISBURY 



University of Chicago 



G. K. GILBERT 



U. S. Geological Survey 



ALEXANDER McADIE 



Professor of Meteorology, U. Sv 

 Weather Bureau, San Francisco 



ALMON GUNNISON 



President St Lawrence University 



Hubbard Memorial Hall, Washington, D. C 



