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n illustrated monthly, published by the 

 National Geographic Society, at Washing- 

 ton, D. C. All editorial communications 

 should be addressed to the Editor of the National 

 Geographic Magazine, Hubbard Memorial Hall, 

 Washington, D. C. Business communications 

 should be addressed to the National Geographic 

 Society, Hubbard Memorial Hall, Washington, 

 D. C. 



25 CENTS A NUMBER; $2.50 A YEAR 



Editor: GILBERT H. GROSVENOR 



Associate Editors 



GENERAL A. W. GREELY 



ChieJ Signal Officer, U. S. Army 



W J McGEE 



Chief, Department of Anthropology 

 and Ethnology, Louisiana Pur- 

 chase Exposition 



C. HART MERRIAM 



ChieJ of the Biological Survey, U. S. 

 Department of Agriculture 



■WILLIS L. MOORE 



ChieJ of the Weather Bureau, U. S. 

 Department 0/ Agriculture 



O. H. TITTMANN 



Superintendent of the U. S. Coast 

 and Geodetic Survey 



O. P. AUSTIN 



Chief oj the Bureau oj Statistics, 

 Department of Commerce and 

 Labor 



DAVID T. DAY 



ChieJ of the Division of Mineral 

 Resources, U. S. Geological Survey 



IDA M. TARBELL 



Author of "Life of Napoleon,* 

 "Life of Lincoln," etc. 



CARL LOUISE GARRISON 



Principal of Morgan School, 

 Washington, D. C. 



WASHINGTON, D. C 



