238 



PROTOZOOLOGY 



C. vesiculosum E, (Fig. 102, o). Colony of 2-8 cells; also solitary; 

 20-30/i by 9-18m; attached to freshwater copepods. 



Genus Eutreptia Perty {Eutreptiella da Cunha). With 2 flagella at 



Fig. 102. a, Phacus pleuronedes, X670 (Lemmermann); b, P. longi- 

 caudus, X430 (Stein); c, P. pynim, X400 (Lemmermann); d, P. triqueter, 

 X430 (Stein); e, P. anacoelus, X330 (Stokes); f, P. acuminata X560 

 (Stokes); g, Crumenula ova, X430 (Stein); h, Trachelomonas hispida, 

 X430 (Stein); i, T. urceolata, X430 (Stokes); j, T. piscatoris, X520 

 (Fischer); k, T. verrucosa, X550 (Stokes); I, T. verndculosa, X800 (Pal- 

 mer); m, Cryptoglena pigra, X430 (Stein); n, Ascoglena vaginicola, X390 

 (Stein); o, Colaciuvi vesictilosum, X390 (Stein); p, Eutreptia viridis, X270 

 (Klebs); q. E. marina, X670 (da Cunha); r, Euglenamorpha hegneri, 

 X730 (Wenrich). 



anterior end; pellicle distinctly striated; plastic; spindle-shaped dur- 

 ing movement; stigma; numerous discoid chromatophores; pyren- 

 oids absent; paramylon bodies spherical or subcylindrical; multipli- 



