The Systematic Motions of Sim-spots. 



Table III. 



Angular Velocity CDrrasponding t3 Maximum II. 



The value in Ijrackets is one obtained by extrapolation. 



Angular Velocities of Maxima I and II for Different Zones of Latitude, 

 deduc3d from Grsenwicli Observations. 



Fig. 1 



.30 



25' 



ir. (^ 



10' 



14°8 14°7 14°0 14''3 14°4 14°3 14°2 "'"1 14°0 rrn ^?,'^H ""-^ l-TG 



Angular Velocity 



Figure 1 shows diagvammatically the numerical results of 

 Tables II and III. 



In the last column of Table II, I have added Maunder' s 

 values of daily angular velocity derived from his formula 



