Descriptions of New Fluviatile Shells. 



specimens are before me, and which cannot be compared with 

 any described species. The apex is eroded in the specimens 

 under observation, and only five whorls are visible, but it 

 evidently has one more when perfect. The whorls form a 

 shelving shoulder from the suture, and are then nearly flat, 

 the body whorl being, perhaps, slightly concave. Altogether 

 it presents a remarkable and beautiful appearance, and no one 

 need be at a loss to recognise it after once having seen a speci- 

 men. Three bands are visible in the interior. 



23. Ulelaiiia pupoidea* 



Plate III. Fig. 3. 



T. ovato-conica, glabra, crassa, stramineo-virente ; spira obtuse elevata ; 

 anfr. 7, subconvexis, gradatis, superioribus fusco-unifasciatis ; ultimo 4- 

 lineato; suturis valde impresses; apertura elongato-ovata, intus albida, 

 fasciata; labro sinuoso, columella rotundata, in sinum tenuem pro- 

 ducta. 



Shell ovate-conic, smooth, rather thick ; spire obtusely ele- 

 vated, with a decidedly convex outline, and a well impressed 

 suture ; whorls 7, convex, nearly entire at the apex ; color pale 

 green, with one linear band revolving on the spire, and four 

 broader and more distinct bands on the body whorl ; aperture 

 small, narrow-ovate, diaphanous, with four distinct brown 

 bands within ; columella rounded, not indented ; outer lip 

 curved and extended forward ; sinus small. 



Length 0.87 inch (22 millim.). Diam. 0.35 inch (9 millim.). 



Length of aperture 0.38 inch (10 millim.). 



Breadth of do. 0.17 inch (4 millim.). 







Habitat. Alabama. 

 My cabinet. 



~This belongs to that group of which M. olivula Conrad 



