AMOEBINA 



347 



A. limicola Rhumbler (Fig. 161, h). Somewhat similar to A. gut- 

 tula; body more rounded; locomotion by eruption of cytoplasm 

 through the body surface; 45-55^ by 35m; nucleus vesicular; fresh 

 water among vegetation. 



Fig. 162. a, Amoeba spumosa, x400 (Penard); b, c, A. vespertilio 

 X300 (Penard); d-f, A. gorgonia, X400 (Penard); g, A. radiosa, X500 

 (Penard); h, Dinamoeba mirabilis, X250 (Leidy). 



A. spumosa Gruber (Fig. 162, a). Somewhat fan-shaped; flat- 

 tened; during locomotion broad pseudopodia with pointed end at 



