no 



LAND AND FRESU-WATER SHELLS OF N. A. [PART III. 



Fig. 218. 



Heliciua Iiaiileyaiia, Pn .—Shell globose-conic, rather solid, 

 marked with impre.ssed co, centric, rather spaced lines ; scarcely 

 transparent, shining, reddi..!! horn-colored ; spire shortly conic, 

 obtuse ; whirls five, scarcely convex, the last- rounded, slightly 

 descending before ; aperture slightly oblique, snb-semicircnlar ; 

 columella very short, denticulated without, with a diffuse, light 

 white callus ; peristome white, scarcely expanded, thickened 

 within, ending in a basal columellar denticle. Greater diam. 

 7^, less 6^, height 5i mill. 



Helicina hanleyana, Pkeiffer in Proc. Zool. Soc. 1S48, 122 ; Mon. Pneum. 

 Viv. I, 376. — Chemnitz, ed. 2, 45, pi. ix, f. 7, 8. — Gray and Pfeiffer, 

 Brit. Mus. Phan. 302.— W. G. Binxey, T. M. IV, 192, pi. ixxv, f. 

 14, 16. 



Fig. 219. 



Xear New Orleans. 



Helicina clirysoclieila, Bixsey.— Shell broad conic, or pyra- 

 midal, thin, shining, pale yellow, with the surface finely shagreened with 

 microscopic, punctured lines ; spire elevated, whirls five, 

 moderately convex, the last one somewhat flattened at base 

 and indistinctly angular at the periphery ; aperture large, very 

 oblique, semi-oval, the diameters about equal ; the peristome 

 broadly everted, especially at its middle portion, narrow and 

 simple at its columellar junction, of a golden-yellow color; 

 parietal callus extended, of a deep orange color. Diameter 

 10, height 8 ipill. 



Helicina chrysochfila, Biskey, Terr. Moll. II, 354, pi. Ixxiv, 

 f, 4._W. G. Bixxey, Terr. Moll. IV, 192.— Pfeiffer, Mon. Pneum. 

 II, 197 (not of Shuttleworth). 



Texas and Tampico in Mexico. 



Helicina s«1>glo'b«losa, Poey. — Shell globose-conic, .solid, lightly 

 striate, rather shining, uniformly white, or marked with two red bands, 

 one broad near the suture, other narrow, near the periphery ; spire convex- 

 conic, rather sharp ; whirls six, the upper ones flattened, the penultimate 



