Descriptions of New Fluviatile Shells. 



Length 0.72 inch (19 millim.). Diam. 0.30 inch (8 millim.). 

 Length of aperture 0.25 inch (6 millim.). 

 Breadth of do. 0.15 inch (4 millim.). 



Habitat. Tennessee. 



My cabinet. Cab. Coleman Sellers, Cincinnati, 0. 



Obs. May be compared with M. elegantula in general form, 

 but its peculiarly curved outer lif will at once distinguish it 

 from all others. 



22. Ulelaiua elegaiitula. 



Plate III. Fig. 2. 



T. ovato-conica, glabra, viridula ; spira brevi ; anfr. 5-6, humerosis, 

 superioribus supra suturam nigro-unifaseiatis, ultimo subcylindrico, 

 fasciis fuscis 2 vel 3 cincto ; suturis inconspicuis ; apertura elongate- 

 ovata, intus fasciata ; labro subsinuato ; columella incurva, in sinum 

 tenuem producta. 



Shell obtusely conical, smooth ; whorls 5-6, irregularly shoul- 

 dered and angulated ; body whorl dark olive-green color, with 

 two or three darker bands, which are visible also within the 

 aperture ; upper whorls of a very light green color, with one 

 light brown sub-central band, and another so near the upper 

 part of the whorl as to be almost concealed by the suture; 

 sutures rather obscure ; aperture rather large, irregularly ovate ; 

 columella much indented near its base, outer lip sinuous. 



Length 0.60 inch (15 millim.). Diam. 0.25 inch (6 millim.). 



Length of aperture 0.28 inch (7 millim.). 



Breadth of do. 0.16 inch (4 millim.). 



Hdbita t. Kentucky. 



My cabinet. Cab. Lye. Nat. Hist, K Y. B. W. Budd, M. D. 



Obs. A singularly ornamented species, of which only two 



