BIOLOGY OF THE PROTOZOA 



Fig. 42.— Flagellum insertion. A, Codosiga hotrytis, with flagellum arising from 

 the nucleus. B, Nagleria histadialis Pusch. with blepharoplast connected by rhizo- 

 plasts with the nucleus, and with independent basal bodies. C, Nagleria gruberi and 

 origin of the blepharoplast from the endosome in the nucleus; (6) blepharoplast; in) 

 nucleus: (r) rhizonlast. (A and B from Doflein, C from Wilson.) 



