284 LAND AND FRESH-WATEU SHELLS OF N. A. [rAUT lY, 



it is more slender, and tliat species has no band. The aperture is 

 about three-tenths the length of the shell. — Lea. 



184, G. Alexandrensis, Lea. 



Melanin Alexandrensis, Lea. Philos. Proc, iv, p. 1C7. Philos. Trans., x, p. 61, t. 



9, f. 37. Obs., iv, p. CI. Binxey, Check List, No.8. Brot, List, p. 37. 

 Ceriphasia Alexandrensis, Lea, Adams, Genera, i, p. 297. 



Description. — Shell smooth, rather acutely conical, rather thin, 

 dark horn-color ; spire rather elevated ; sutures somewhat impressed ; 

 whorls rather flattened; aperture small and somewhat trapezoidal; 

 within whitish. 

 Habitat. — Alexandria, Louisiana. 

 Diameter, -22 ; length, -58 of an inch. 



Observations. — There were oul}' two of this species which came 

 Fig. 549. fi'ora Di'- Hale. It closely resembles the Haleiana, herein 

 described, but has a less elevated spire, and the aperture dif- 

 fers in being somewhat auger-shaped, the outer lip being more 

 ^%\ sinuous. The apex of eacli being broken, the number of 

 whorls cannot be ascertained. The aperture is rather more 

 than a fourth of the length of the shell. — Lea. 



Figured from Mr. Lea's plate. 



185. G. Haleiana, Lea. 



Melania Haleiana, Lea, Pbiilos. Proc, iv, p. 167, Aug., 1845. Philos. Trans., x, p. 



60, t. 9, f. 35. Obs., iv, p. 60. Binney, Check List, No. 134. Reeve, Monog. 



Melania, sp. 40G. 

 Ceriphasia Haleiana, Lea, Adams, Genera, i, p. 297. 



Description. — Shell smooth, acutely conical, rather thin, yellowish 

 horn-color, polished ; spire elevated ; sutures impressed ; whorls nine, 

 convex; aperture small, ovate, at the base angular, within j-jg^ 550. 

 whitish. 



Habitat. — Alexandi-ia, Louisiana. 



Diameter, -17; length, -04 of an inch. 



Observations. — Among some fifty specimens of small it/cZa- 

 nice sent by Dr. Hale, I found three species, nearly the whole, how- 

 ever, being of the above described. It has no very distinctive 

 character, but cannot be placed with any species with which I am 



