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BIOLOGIE 



Littorale 

 Cenève 



Campascus triqueter Pen 



C. rnimitus Pen 



Quadrula glohulosa Pen * 



Nadinella ienella Pen * 



Lecylhium hyalinum * 



Heleopera petricola Leidy 



» » var. amethysta Pen. . 



Hyalosphenia cuncata Stein * 



H. punctata Pen * 



Nehella vitraea Pen. ^ 



Centropyxis aculeata Stein * 



Difflugia scalpellum Pen 



D. Lemani Blanc 



D. constricta * 



D. lanceolata * 



D. glohulosa Duj * 



D. nrceolata * 



D. compressa 



jD. hicoi'nis Pen 



D. piriformis Perty * 



» var. lacustris Pen. . . . 



» var. claviforinisPen. . . 



» var. vas Leidy, higibbosa Pen. 

 D. acuminata Elir ^ * 



» var. in fia ta Pen * 



D. fallax Pen * 



D. elcgans Pen * 



» var. tores 



D. lebes Pen 



» var. elongata Pen .... 



D. cnrvicatdis Pen 



D. mamillaris Pen 



Cochliopedium granulatuni Pen. ... * 



» hilimbosam Leidy .... 



Pelomyxa villosa Leidy 



Amoeba proteus Leidy * 



Profonde 

 Petit-lac 



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(*) 



(*) 



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(*) 

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(*) 



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Profonde 

 Grand-lac 



