364 



BIOLOGY OF THE PROTOZOA 



stein), others as mitochondria (Faiire-Fremiet, Cowdry) and others 

 as belonging to the Golgi apparatus (Nassonov). In addition to 

 these, reserves of food substances, kinetic elements, and metaplas- 

 tids of different kinds, with the nuclei make-up the substance of the 

 endoplasm. 



.'-.e. t7? 



C.St 



Fig. 156. — Paramecium caudatum. Section of a dividing individual, est., con- 

 necting strand of dividing micronuclei ; e.tr., extruded trichocysts; f/.t)., gastric vacuole; 

 M, dividing macronucleus; m, m, divided micronuclei; tr., trichocysts. (Original.) 



