Smithsonian Report, 1908,— Abbot. 



Plate 2. 



Fill. 1. buN-spoT AND Hydrogen 'iia> Flocculi. 

 1908. June 3, 6i> 22™ p. m. Scale: Sun"s diameter=0.3 meter. 



Fig. 2.— Sun-spot and Hydrogen i7/'ji Flocculi. 



1908, June 4, Gi' 12™ a. in. Scale: Sun's diaiiieter=0.o meter. 



