18 

 LIMNEA APPRESSA, Say, 



Plate 5. 



L. testa magna, elongata, pallida, tenui, laevi, transver- 

 sim minutissime striata, apice subacute: anfractibus 6, 

 subconvexis: apertura ovata. 



SYNONYMS AND REFERENCES. 



Lymneus APPRESSUS, Say. Jour. Acad. Nat. Sci., vol. 



ii. p. 168. 

 L. sPECiosus, Zeigl., Rossmj^ssler, Iconog., pi. 2, 



fig. 50. 



DESCRIPTION. 



"Shell elongated ventricose: volutions 6: 

 spire regularly attenuated to an acute tip, 

 rather shorter than the aperture: body whirl 

 dilated, proportionally large: aperture ample, 

 columella with the sinus of the fold profound; 

 callus perfectly appressed upon the shell, to the 

 base." — Say. 



Color, pale ochraceous, lighter than the pre- 

 ceding species, and frequently stained by a 

 black foreign matter. 



