FINE STRUCTURE 



51 



Older nuclear membrane 

 inner nuclear membrane, 

 granular nuclear malrix 



Connectives helween 



M jbaiids 



macronuclear 

 node 

 /cinetodestna 



Fig. 10. Fine structure in Stentor. 



A. Stereo-diagram showing structure revealed by electron- 

 microscopy. (After Faure-Fremiet et al., 1956 and Randall, 



Jackson, 195B.) 



B. Drawing of stentor beginning to re-extend, showing 

 convolutions in the fibers of the clear stripes. (After Johnson, 



1893.) 



C. Section through ectoplasm showing parts distinguished by 



early microscopists. (After Schroder, 1907.) 



