254 LIMNiEINiE. 



lagotis, Schranck. succinea, Desh. 



Lessoni, Desh. thermalis, Boube. 



peregra, Mull. Trencaleonis, Gassies. 



scalaris, Braun. 



Sub-gen. bulimnea, Haldemau. 



Shell inflated, spire short ; outer lip not expanded. 



buliruoides, Lea. humilis, Say. 



bulla, Bens. megasoma, Say. 



caperata, Say. nucleus, Trosch. 



catascopium, Say. obrussa, Say. 



cerasa, Trosch. pelegera, Shuttl. 



Cubensis, Pfeiff. prunuin, Trosch. 



decollata, Migh. rugosa, Yalenc. 



desidiosa, Say. Sandwichensis, Phil. 



diaphana, King. solida, Lea. 



emarginata, Say. sulculata, Trosch. 



ferruginea, Hold. truncatula, Midi. 



Galbana, Say. variabilis, Bens. 



Geisericola, Beck. vitrea, Hold. 

 Hookeri, Peeve. 



Sub-gen. limnophysa, Fitzinger (Stagnicola, Leach. Galba, 



Schranck). 



Shell ovate-oblong ; spire conic, about as long as the aper- 

 ture, whorls rounded; outer lip not spreading. 



attenuata, Say. pallida, C. B. Adams. 



Chilensis, Beck. palustris, Linn. 



elodes, Say. Pingelii, Beck. 



expansa, Say. reflexa, Say. 



gingivata, Gratel. Senegalensis, Beck. 



Holbolii, Beck. umbrosa, Say, 



impura, Trosch. Vahlii, Beck. 



lanceata, Gould. viator, D'Orb. 



