44 BOOK OF SPECIES. 



of inner lip rising on the columella, and forming 



an oblique plait ; no operculum. 

 * With the spire as long, or longer than the aperture. 



L. sTAGNALis. Oval-obloiig, with the lower 

 volution much inflated, and somewhat angu- 

 lar ; suture deep ; thin, greyish white ; whorls 

 six or seven ; apex acute ; lip spread. ^. B. 

 T. 104. 



L. PALUSTRis. Conic-oval, with six rather 

 tumid volutions ; the lower one somewhat angular 

 by raised transverse and longitudinal striae ; brown 

 horn-colour, somewhat opaque ; whorls scarcely 

 raised. |. B. T. 10/. 



L. MiNUTA. Oblong-oval, with five, six, or 

 seven rounded and deeply divided volutions, stri- 

 olate longitudinally and across; .pale brown or 

 greyish, i- B. T. 108. 



L. LEUcosTOMA. Elongated, taper, with 

 seven or eight convex volutions ; and the aperture 

 very short ; the last volution is not larger in pro- 

 portion than the rest. 1. B. T. 106. 

 ** Sjjire not so long as the aperture. 



L. AURicuLARiA. Extremely inflated, stri- 

 olate, with a very short acute spire; aperture 

 oblique, vastly expanded, and roundish oval ; pil- 

 lar with a strong fold, light yellow horn-colour. 

 1. B. T. 100. 



L. PEREGRA. Ventricose, more or less striate. 



