NATIONAL GEOGRAPHIC MAGAZINE 



NATIONAL GEOGRAPHIC MONOGRAPHS 



Ou the Physical Features of the Earths Sirface, designed especially to supply to teacher* and 

 students of geography fresh and interesting material with which to supplement the regular trxt-book. 



LIST OF MONOGRAPHS COMPRISING VOI.UMF, I : 



General Physiographic Processes \ 



General Physiographic Features -J. W. Powell 



Physiographic Regions of the United States . . . ' 

 Beaches and Tidal Marshes of the Atlantic Coast Prol. N. S. Shaler 

 Present and Extinct Lakes of Nevada .... Prof. I. C. Russell 

 Appalachian Mountains— Northern Section - - - Bailey Willis 

 Appalachian Mountains— Southern Section - - - C. Willard Hayes 

 Mt. Shasta— a Typical Extinct Volcano - - - - J. S. Diller 



The New England Plateau Prof. W. M. Davis 



Niagara Falls and Its History G. K. Gilbert 



Price for one set of ten monographs, $1.50. Five .sets to one address, SG.OO. Single monographs, 90c. 



Remit ivith order 10 AMERICAN BOOK COMPANY, 



IMevv/ York - CInclmrisitl CHlcago 



Ripans Tabules assist digestion. 



Terrestrial Magnetism 



An International Quarterly Journal 



Edited by L. A. BAUER 

 With the Co=operation of Eminent Magneticians 



Amo!3'i^e'^rilnU;:;^^fth;nK:in articl^in the pa^ '-- ^-" ^'«'*'-«- ««""'• l'^^"'- ^"^''' 

 Eschenhagen, Littlehales, Rucker. Schmidt, Schuster, and de liUo. 

 Future numbers will contain : 



♦'The Earth, a Qreat Magnet," 



BY DR. J. A. FI.KMINC. 



"The Electrification of the Atmosphere," 



By Prok. ai,kxani)i:k McADIH. 



♦•The Height of the Aurora," 



Bv Proi'. CLEVELAND ABHE. 



"The Distribution of Magnetic Observatories," 



illhistratid). 



BY Prof. MAX ESCHENHAGEN, 



etc., etc. 



The si.e of the Journal is royal octa^;o a volun,e -"''r-j'-^.^^l^-yC'^r'llV;:^. 'n^^ '!.himn;^"nV;:i 

 price : Two dollars : .single numbers, fifty cents, l.urc.gn Mib-.. nptici 1 r< 



marks, or eleven francs. Address; -pg-p^RESXRI Al- CV/I AGM EX I SfVI. 



The University of Cincinnati, Cincinnati, Ohio. 



