31 



PALUDINA INTERTEXTA, Say. 



PLATE 10. FIGS. 16. 



P. testa conica, tenui, ampullacea, diaphana: apice ob- 

 tuso: striis transversis minutissime corrugatis: anfractibus 

 quaternis, vel quinis: sutura valde impressa: apertura 

 postice rotundata, intus transversim fasciata. 



SYNONYMS AND REFERENCES. 



P. INTERTEXTA, SAY. Disseminator, vol. ii. p. 244. Mrs. 



Say's reprint, p. 20. Amer. Conchology, pi. 30, figs. 3, 4. 

 P. TRANSVERSA, SAY. Disseminator, vol. ii. p. 215. Mrs. 



Say's reprint, p. 20. 



DESCRIPTION. 



SHELL large, thin, ventricose, and slightly 

 translucent; with about five volutions: suture 

 deep: surface polished: lines of growth unde- 

 viating: spiral marks and lines numerous, and 

 very finely wrinkled: aperture large, ovate, and 

 rounded posteriorly: opercle translucent, with 

 the lines of accretion concentric. 



COLOR of the shell dark olivaceous, or brown- 

 ish: aperture edged with black, columella white, 



