SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 92. NUMBER 8 



SAMUEL PIERPONT LANGLEY 



(With Six Plates) 



BY 

 C. G. ABBOT 



Secretary, Smithsonian Institution 



(Publication 3281) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



AUGUST 22, 1934 



