Fig. 39. Cryptomonadina and Euglenoidina. A, Cryptomonas ovata, x 900, 

 B, Chrysidella schaudinni, in the resting stage. C, Cyathomonas truncata, 

 X 1000. D, Euglena viridis, x 400. D', A longitudinal section of the anterior 

 end of the same, more highly magnified. E, Peranema trichophorufn, x 850. 

 F, Copromonas subtilis, x about 1700. F', A pair of the same, beginning to 

 conjugate, less highly magnified. After various authors, with modifications. 

 c.vac. contractile vacuole ; c.vac' accessory contractile vacuole ; cph. chromato- 

 phore; e. eye-spot; f. vac. food vacuole;^, flagellum; gu. gullet; nu. nucleus; 

 pmy. paramylum grains; res. reservoir; rod. stiffening rods of gullet; stch. 

 starch grains ; tri. trichocysts. 



