194 



EDWIN J. COHN. 



TABLE VIII. 



THE EFFECT OF THE HYDROGEN ION CONCENTRATION OF THE SUSPENSION UPON 

 THE FERTILIZING POWER AND UPON THE LENGTH OF LIFE OF 



SPERMATOZOA. 



Experiment 20. 



Experiment 226. 



Experiment 21. 



Experiment 227 /. 



Experiment 227 II. - 



1 But 0.3 c.c. of sodium hydroxide had been added in Expt. 227. The Ph was 8.8. 



2 Same sperm used as in 227 I. The eggs, however, of another female. 



