SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 87. NUMBER 18 



IRoeblino dFunb 



SUN SPOTS AND WEATHER 



BY 



C. G. ABBOT 



Secretary, Smithsonian Institution 





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(Publication 3226) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



NOVEMBER 20, 1933 



