240 LAND AND FRESH- WATER SHELLS OF N. A. [PART IV. ..• 



nated towaixls the apex ; suture well defined ; body- whorl obscurely 

 subangulated ; aperture longitudinal, elliptical. — Conrad. 



This species is unknown to me and has not been figured. 



G. Short clavate, smooth species, 

 129. G, auriculaeformis, Lea. 



Melania miriculcvformis, Lea, Philos. Troc, iv, p. IGG. Philos. Trans, x, p. 62,J 

 t. 9. f. 39. Obs., iv, p. G2, t. 9, f. 39. BiNNET, Check List, No. 2+. Brot, List,] 

 p. 32. Reeve, Monog. Melania, sp. 409. 



Megara auricuheformis, Lea, Adajis, Genera, i, p. 306. 



Description. — Shell smooth, elliptical, rather thin, yellow; sutures! 



impressed ; whorls six, slightly convex ; aperture elongate, contracted, 



„ at the base rounded, within whitish. 



Fig. 466. ' 



a Habitat. — Tuscaloosa, Alabama. 



Diameter, -24 ; length, -45 of an inch. 

 Observations. — This species has very much the aspect of 

 an auricula. It is a very regularly formed and pretty shell, 

 with a smooth, yellow, polished epidermis. The aperture is about 

 two-thirds the length of the shell, regularly rounded below and angu- 

 lar above, where there is a good deal of nacreous matter deposited. — 

 Lea. 



This shell reminds one of a small ollvula, Con., but it differs 

 in texture from that species. The figure is copied from Mr. 

 Lea's plate. 



130. G. Nickliniana, Lea. 



Melania KicUlniana, Lea, Philos. Proc, ii, p. 12, Feb., 1841. Philos. Trans., viii 

 p. 171, t. 5, f. 18. Obs. iii, p. 9. DeKay, MolL N. Y., p. 95. Reevk, Monog. 

 Mehmia. sp. 375. Wheatley, Cat. Sheila U. 8., p. 26. Catlow, Conch. 

 Nomenc, p. 187. 



Leptoxis Kichliniana, Lea, BiNNEY, Check List, No. 371. Adams, Genera, i, p. 307. 



Description. — Shell smooth, obtusely conical, solid, very dark; sut- 

 ures impressed; whorls six, slightly convex; aperture large, some- 

 what rounded, within purple. 



Habitat. —'Qa.ih. County, Virginia ; P. H. Nicklin. 



Diameter, -27; length, '45 of an inch. 



I 



