326 



PROTOZOOLOGY 



L. wagneri C. et L. (Fig. 149, a). Spheroidal; aperture subtermi- 

 nal, oblique, flexible; cytoplasm slightly yellowish, fills the test; 

 80-150 vesicular nuclei; many contractile vacuoles; pseudopodia 

 long, anastomosing; 60-1 60/i long; nuclei 6m in diameter; among 

 algae in fresh and salt water. 



Fig. 149. a, Lieherkuhnia wagneri, Xl60 (Verworn); b, Diplophrys 

 archeri, X930 (Hertwig and Lesser); c, Lecythiurn hyalinuni, X330 

 (Cash and Wailes); d, Myxotheca arenilega, x70 (Schaudinn); e, Dac- 

 tylosaccus vermiforvufi, Xl5 (Rhumbler); f, Boderia turneri (Wright). 



Genus Diplophrys Barker. Test thin, spherical; 2 apertures, one 

 at each pole; cytoplasm colorless; a single nucleus; several con- 

 tractile vacuoles; filopodia radiating. One species. 



D. archeri B. (Fig. 149, b). With 1-3 colored oil droplets; pseu- 

 dopodia highly attenuate, radiating, straight or branched; multi- 

 plication into 2 or 4 daughter individuals; solitary or in groups; 

 diameter 8-20^1; on submerged plants in fresh water. 



Genus Lecythiurn Hertwig et Lesser. Test thin, flexible, color- 



