144 



L. B. NICE 



Total activity of the average of each line 



TABLE 12 

 Total uwrk in revolutions of the average of each line 



In table 12 and figure 3 the total activity of each line is averaged. 



The average total activity of the caffeine line was 1 654 226 

 revolutions, of the alcohol line 1 785 475 revolutions, of the nico- 

 tine hne 2 416 987 revolutions and of the control hue 2 449 802 

 revolutions. The caffeine average is 68 per cent of the control 

 average, the alcohol average is 73 per cent and the nicotine aver- 

 age is 99 per cent of the control average. 



