SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 111, NUMBER 7 



Eoebling jFunb 



MONTEZUMA SOLAR-CONSTANT 



VALUES AND THEIR PERIODIC SOLAR 



VARIATIONS 



BY 

 C. G. ABBOT 



Research Associate, Smithsonian Institution 



(Publication 3981) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



APRIL 19, 1949 



