116 



BIOLOGY OF THE PROTOZOA 



of the resting nucleus divides into two equal masses without frag- 

 mentation at any stage. Similar conditions are shown by the greg- 

 arine Gonospora varia according to Brasil (1905), by Amoeba dip- 

 loidea according to Hartmann and Naegler (1908) and by the simpler 

 amoebse (Fig. 61). 



Fig. 58.— Division of Dileptus anser. The elongated chromatin granules (C) divide 

 where they happen to lie. (Original.) 



