Lockyer and Lor 



I40C 



SUNSPOTS. 



MEAN DAILY 100(3 

 AREA. 

 N.H EM ? 60C 



20C 



PROMINENCES 

 % FREQUENCIES. 13 

 NORTH LATS. 

 (TACCHINI) 3 



MEAN 2C 

 HELIOGRAPHIC 

 LATITUDE OF |0 



SUNSPOTS 



NORTH OF 

 EQUATOR. 



8C 



LATITUDE 



OF 6C 

 PROMINENCES 

 N.HEM? AC 



(RICCO 



AND +2C 

 MASCARI) 



C 

 8( 



LATITUDE - t 



OF 6C 



PROMINENCE^, 

 N.HEM? ^ 



(TACCHINI ) +2c 

 C 



Plate 6.— Curves si 

 Note. — The contini 



