NATIONAL GEOGRAPHIC SOCIETY 



President : Hon Gardiner G. Hubbard. 



Vice-President of the Air : General A. W. Greely, U. S. Arm3^ 



Vice-President of Life : Professor C. Hart Merriam. 



Vice-President of the Sea : Lieutenant Everett LIayden', U. S. !N'av3^ 



Vice-President of Geographic Art : Henry Gannett, Chief Topographer 



V. S. Geological Survey. 

 Vice-President of Land: Professor T. C. Mendenhall, Superintendent 



TJ. S. Coast and Geodetic Survey. 

 Vice-President of Commercial Geography : General R. N. Batchelder 



TJ. S. Army. 

 Secretary : Mr F. H. Newell (Washington, D. C). 

 Corresponding Secretary : Miss E. R. Scidmore (Washington, D. C). 

 Treasurer: Mr Charles J. Bell (Washington, D. C). 



GOLD MEDAL AND &EOGEAPEIC CERTIFICATES FOR 1893 



The subject of the Essay in competition for the Gold Medal and 

 Geographic Certificates of the National Geographic Society, for 

 the year 1893, will be — 



THE RIVER SYSTEjMS OF THE UNITED STATES. 



