SUCCINEA.— Plate III. 



The glassy Succinea. Shell rather small, white, 

 transparent, very thin, ventricose, oval ; spire 

 acuminated, whorls rounded ; aperture ovate, of 

 medium length, innr>r lip rather thickened, a little 

 tortuous. 



Pfeiffei!. Free. Zool. Soc, 18;]4, p. 208. 



Hab. Calcutta. 



Species 21. (Mus. Brit.) 

 Succinea TATi-LA. Siic. testd latd, subquadrata, cnis- 



siiisculd, posfice purpurascenti, antice subviridi ; 



spira brevi, subretrorsd., anfractu ultimo superne 



angulato : aperturd magna, patidd, (juadratd ; 



labia exteimo posttce angulato, latere recto ; labia 



interno mbrejle.xo, torttio. 

 The p.atl'lous Scccinea. Shell broad, subcpuidrate, 



rather thick, posteriorly purplish, anteriorly rather 



.gi-een ; spire short, slightly recurved, last whorl 



angular above ; aperture large, patulous, quadrate ; 



outer lip posteriorly angular, straight at the side ; 



inner lip a little reflected, tortuous. 

 Bruguieri. Encyclopedia Methodica. 

 AmphihtiUma rucuJlata, Lamarck. 

 [lab. ? 



Species 22. (Fig. ,i, h, .Mus. Brit.) 

 Succinea vermeta. Snr. testa mbovatd, nctiiiscnld 



pijramidatd, corned, mbdiapliand ; spird productd, 

 anfractibus ventricosis, ovato-rotundis, tdtimo ovato ; 

 aperturd breviuscidd ; labio interno tortuo. 



The worm-like Succinea. Shell subovate, rather 

 straight, pyramidal, horny, subdiaphanous ; spire 

 produced, whorls ventricose, ovately rounded, the 

 last oval ; aperture rather short ; inner lip 

 tortuoiis. 



Sav. New Harmony Disseminator. 



Succinea avara, Pfeiffer. 



Hab. New Harmony, United States. 



Species 23. (Fig. a, b, JIus. Jetfreys, &c.) 



Succinea oblonga. Sue. testd parvd, solidiusculd, tawi, 

 ovatd, corned, ad spiram snbrtihescenti : .•<pird 

 promimild, anfractibus sulirnlti/idis. id/imn oralo : 

 aperturd breviuscnla, subvrat'i. hij.m fjfnno anlice 

 snbexpanso, labio interno ti inii, .^iibni-riai/ii. 



The oblong Succinea. Shell small, rather solid, smooth, 

 ovate, horny, reddening towards the spire ; spire 

 rather prominent, whorls rather rounded, the last 

 ovate ; aperture rather short, subovate, outer lip 

 rather expanded in front, inner lip thin, a little 



Drai-aknaui). .Moll. Forest, et Fluv. 

 Ilah. Eucrland and France. 



