PLATE XIV. 



This pliotoEcraph. which shows the hydrogen flocculi surrounding the si)ot 

 group, should he compared with lig. 1. Plate X. The hrighter regions are in most 

 cases eruittive. In general, the hydrogen tlocculi in the less disturbed regions 

 are dai-k, tliough they may perhai)s he bright or neutral where they overhang the 

 penumbra, and cover some of the smaller spots of the group. 



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