68 



PROTOZOOLOGY 



plast. In many instances they appear to be combined in one. The 

 blepharoplast is further connected by a fibril, the rhizoplast, with 

 the nucleus (Fig. 24). The blepharoplast and centriole are con- 



l4':5 



hJ 



Fig. 24. Flagellar attachment in Euglenoidina (Hall and Jahn). 

 a, Euglena deses, X2025; b, E. acus, X750; c, E. spirogyra, X720; d, 

 Menoidium incurvum, X1550. 



sidered synonymous by Minchin, Cleveland, and others, since 

 this organella gives rise to the kinetic element. Woodcock and 

 Minchin held, on the other hand, that the blepharoplast was a 

 nucleus holding a special relation with locomotor organellae, and 



