I04' LORAXDE LOSS WOODRUFF. 



tered, however, will again cause a more rapid cell division for a 

 limited period. But again the effect is not constant since the rate 

 of division falls below the control, and is followed by fluctuation 

 above and below the division rate of the control. Up to the 

 present time the amount of alcohol has been increased (doubled) 

 three times, always with the same result. 



4. Treatment with alcohol lowers the resistance of the organ- 

 isms to copper sulphate. 



Sheffield Biological Laboratory, 

 Yale University. 



