Studies on the Life History of Protozoa. 



457 



Diagram II. 



Complete history of the endogamous ex-conjugant by ten-day periods, 

 and periods the same as in Diagram I 



Ordinates 



Diagram III. 

 Complete history of the third series (C) by ten-day periods Ordinates and 

 periods the same as in Diagram I, As in Diagram I, this curve- represents the 

 average division rates of four lines of individuals 



