STRUCTURE AND LIFE-HISTORY OF COPROMONAS SUBTILIS. 111185 
The nucleus divides, as does the basal granule of the flagellum. 
Two new flagella are formed, and two new cytostomes. One 
of the daughter individuals takes the contractile vacuole, the 
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other develops a new one. ‘The reservoir is halved, each - 
daughter-cell taking half. The nucleus divides amitotically 
(figs. b, c, d). 
After a time the monads conjugate in pairs (e). The 
