468 PROCEEDINGS OF THE AMERICAN ACADEMY. 



.00700 m. MgCl 2 . 



Time hr. 29 hr. 



No. of Stentors 100 



No. of Divisions 



Mortality 100 



Mean Result 



Control. 

 (Culture medium No. 20318.) 



Time hr. 29 hr. 



No. of Stentors 100 104 



No. of Divisions 44 



Mortality 



Mean Result 1.04 



Series 2. Expt. No. 46, Apr. 10, 1902. 



(All Stentors originated from culture No. 20318.) 

 .00500 m. KC1. 



Time hr. 28 hr. 47 hr. 5 da. 



No. of Stentors .... 100 88 84 61 



No. of Divisions .... 



Mortality 12 16 



Mean Result 0.84 



.00500 m. NaCl. 



Time hr. 27 hr. 47 hr. 



No. of Stentors 100 20 



No. of Divisions 



Mortality 80 100 



Mean Result 



