56 



MANUAL OF ZOOLOGY 



closely applied together, but not actually fused, become 

 encysted. Multiple fission then takes place, the proto- 

 plasm becoming divided (C) into an immense number of 

 spindled-shaped spores, each surrounded by a strong 



t~i-B 



chitinoid coat, and thus differing markedly from the naked 

 spores of Rhizopoda and Mastigophora. The protoplasm 

 of each spore then undergoes fission, becoming divided 



