THE 
NATIONAL GEOGRAPHIC 
MAGAZINE 
AN ILLUSTRATED MONTHLY 
Editor 
GILBERT H. GROSVENOR 
Assistant Editor 
JOHN OLIVER LA GORGE 
Associate Editors 
A. W. GREELY 
Arctic Explorer, Major Gen'l U. S. Army 
C. HART MERRIAM 
Chief U. S. Biological Survey 
O. H. TITTMANN 
Superintendent of U. S. Coast and Geo- 
detic Survey 
ROBERT HOLLISTER CHAPMAN 
U. S. Geological Survey 
WALTER T. SWINGLE 
ELIZA R. SCIDMORE 
ALEXANDER GRAHAM BELL 
Inventor of the Telephone 
DAVID G. FAIRCHILD 
In Charge of Agricultural Explorations, 
Dept. of Agriculture. 
HUGH M. SMITH 
Deputy Commissioner, Bureau of Fisheries 
N. H. DARTON 
FRANK M. CHAPMAN 
FRANK EDWARD JOHNSON 
Vol. XXIII— Year 1912 
THE NATIONAL GEOGRAPHIC SOCIETY 
HUBBARD MEMORIAL HALL 
WASHINGTON, D. C. 
