1 86 



EDWIN J, COHX. 



TABLE V. 



THE RELATION" BETWEEN THE LENGTH OF LIFE OF A CONCENTRATED SPERM SUS- 

 PENSION AND THE RATE AT WHICH THE CARBON DIOXIDE PRODUCED 

 BY SPERMATOZOA DIFFUSES FROM THE SUSPENSION. 



Experiment 32. 



Experiment 33. 



Experiment 31 . 



dioxide free air was continuously drawn. In this way the carbon 

 dioxide concentration of the one suspension was prevented from 

 increasing at the same rate as that of the other. As a result the 



