252 



C. M. WENYON. 



karyosome, while connecting tliis latter body to the nucleai- 

 membrane is a coarse linin network. All the chromatin of 

 tlie nucleus appears to be concentrated in the karyosome. 

 The prolongation of the nuclear membiane towards the 



Text-fig. 10. 



Side view of free form showiiit; the flattened side along which 



the flageUuin rims. 



flagella is clearly sliown, while the base of these organs is 

 connected to the apex of the nucleus by a rod-like rhizoplast. 

 In some cases the drawn-out apex of the nuclear membrane 

 shows longitudinal markings, which converged toward the 

 .rhizoplast, while in others there is a connection in the form 

 of a more deeply staining pyramin between this body and the 



