MATHOHM, 



n Illustrated Monthly, published by 

 the National Geographic Society. 

 All editorial communications should 

 be addressed to the Editor of the 

 National Geographic Magazine. Business com- 

 munications should be addressed to the National 

 Geographic Society. 



25 CENTS A NUMBER; $2.50 A YEAK 



Editor: GILBERT H. GROSVENOR 



Associate Editors 



MAJ. GEN. A. W. GREELY 



U. S. Army 



W J McGEE 



Director Public Museum, St Louis 



C. 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 



O. H. TITTMANN 



Superintendent of the U. S. Coast 

 and Geodetic Survey 



O. P. AUSTIN 



Chief of the Bureau of Statistics, 

 Department of Commerce and 

 Labor 



DAVID G. FAIRCHILD 



Agricultural Explorer of the De- 

 partment of Agriculture 



ALEXANDER GRAHAM BELL 



Washington, D. C. 



DAVID T. DAY 



Chief of the Division of Mineral 

 Resources, U. S. Geological Survey 



ANGELO HEILFRIN 



Academy of Natural Sciences, Phila- 

 delphia 



R. D. SALISBURY 



University of Chicago 



G. K. GILBERT 



U. S. Geological Survey 



ALEXANDER McADIE 



Professor of Meteorology, U. 8. 

 Weather Bureau, San Francisco 



ALMON GUNNISON 



President St Lawrence University 



Hubbard Memorial Hall, Washington, D. C 



saz 



