PETERS. — METABOLISM AND DIVISION IN PROTOZOA. 469 



Time .... 

 No. of S ten tors 

 No. of Divisions 

 Mortality . . 

 Mean Result 



.00350 m. CaClo 



hr. 

 100 



29 hr. 46 hr. 5 da. 

 91 88 91 



3 



9 12 



0.88 



.00350 m. M^Clo. 



Time hr. 27 hr. 



No. of Stentors 100 



No. of Divisions 



Mortality 100 



Mean Result 



Series 3. Expt. No. 50, Apr. I4., 1902. 

 (All Stentors originated from culture No. 20318.) 



.00300 m. KCl. 



Time hr. 24 hr. 



No. of Stentors 100 90 



No. of Divisions 10 



Mortality 10 



Mean Result 



.00300 m. NaCI. 



Time hr. 24 hr. 



No. of Stentors 100 80 



No. of Divisions 



Mortality 20 



Mean Result 0.85 



.00210 m. CaCls. 



Time hr. 24 hr. 



No. of Stentors 100 99 



No. of Divisions 



Mortality 1 



Mean Result 



48 hr. 

 91 



1 

 10 



0.91 



48 hr. 

 85 



5 

 20 



0.85 



48 hr. 

 101 

 2 

 1 

 1.01 



