3.--N0TP: ON 80LAK ACTIVITY, 1907. 



By H. I). Badcock, M.A., M.Tnst.C.E., F.K.A.S. 



The table niven herewith is the eoutiiiuation ut" that given in my 

 paper on Solar Activity in 1904-7, read at the JMaritzburi; meeting. 

 The observation.^ were taken as before with a 3-^" O.G. by projection. 



Daily Avkra(;k NuMin:K of Sux Spot Groups, S:c., 

 May-September, 1 907. 



Monti I. 



Associated I Independent 

 Faculae. ' Faculae. 



il number of days of observation 

 Total numl)er of separate groups observed ... 



Of the separate groups one liad already been observed in April. 



