212 



ME. G. H. WAILES ON FRBSHWATEE 



Class SAECODINA. 



Sub-Class EHIZOPODA. 



Order AMCEBINA. 



Family Lobosa. 



Amoeba terricola, Greeff 



Order CONCHULINA. 

 Family Abcellida. 



Arcella arenaria, Greeff 



„ discoides, Ehrenh 



„ megastoma, Penard 



„ vulgaris, Ehrenb 



„ „ vni: gibbosa (Pen.), West 



Pseudooblamys patella, Clap, et Lack 



Corycia aculeata {Greeff), Atcer 



,, flava {Greeff^, Pen 



,, var. coronata {Pen.) , 



Buliiuula indica, Pen 



Centropyxis aculeata [Ehrenb.), Stein 



,, „ var. discoides, Ehrenb 



,, ,, var. ecornis {Ehre^ib.), Leidy 



„ ,, var. bemispberica {Barnard), Wailes (7) 



„ arcelloides. Pen 



Plagiopyxis callida, Pen 



,, labifita, Pen 



Family Difpltjgina. 



Difflugia constricta, Ehrenb. {Leidy) 



„ gramen, Pen 



,, lucida, Pen 



,, oblonga, Ehrenb 



,, „ var. venusta {Pen.), Cash 



„ tuberculata var. minor, Pe7i 



Pontigulasia compressa {Carter), Cash 



Pbryganella bemispberica. Pen 



,, iiidulus. Pen 



Trigonopyxis arcula {Leidy), Pen , 



Lesquereusia spiralis, BUtschli 



Cbili. 



> 



pq 



P^ 





ffi 



