EUGLENOIDINA 



205 



E. acus E. (Figs. 24, h; 95, c). 100-200^ long; long spindle-form; 

 posterior end sharply pointed; flagelliim short; spiral striation on 

 pellicle very delicate; paramylon bodies rod-form; nucleus cen- 

 tral; stigma distinct; numerous disc-like chromatophores; with- 

 out pyrenoids; sluggish. 



Fig. 95. a, Euglena pisciformis, X270 (Klebs); b, E. viridis, X370 

 (Lemmermann); c, E. acus, X270 (Klebs); d, E. spirogyra, X430 

 (Stein); e, E. oxyuris, X430 (Stein); f, E. sanguinea, Xl30 (Klebs); 

 g, E. deses, X230 (Lemmermann); h, E. gracilis, X270 (Klebs). 



E. spirogyra E. (Figs. 24, c; 95, d). 80-125^ by 10-20m; cylin- 

 drical; with spiral striae, consisting of small knobs; numerous 

 disc-like chromatophores; without pyrenoids; 2 ovoidal paramy- 

 lon bodies, one on either side of centrally located nucleus; 

 flagellum short; stigma prominent; sluggish. 



E. oxyuris Schmarda (Fig. 95, e), 375-500^ by 30-45^; almost 



