EFFECT OF CONJUGATION 



383 



TABLE 32 



Experiment 12. Paramecium aurelia. Number of individuals present on certain 

 days of the experiment, with the reductions made. Such entries as '14~4' signify 

 that 14 were present on the day in question, and that a sufficient number were re- 

 moved to leave but 4 for future multiplication. No individuals were removed 

 except in the numbers and on the dates shown. Each line started with a single 

 individual, August 11. 



Set K. Progeny of the conjugants of Jiuic 3. Cultivated in watch glasses since 

 May 15. 



Set D 1. Conjugants of August 12, from the same culture as the non-con jug ants 

 of set D 2. Cultivated on slides from March 4 till June 7; from that time in iratch 

 glasses. (1 a and 1 b constitute the two members of pair 1, etc.) 



