FAMILY TURBINID4 — MELANIA. 99 
M. prozima. (Say, Jour. Ac. Sc. Vol. 5, pl. 126.) Shell conic, rather slender, gradually attenuated 
to the truncated apex: suture moderately impressed; aperture longitudinal; lip with the 
edge not undulated, or but very slightly and obtusely so near the upper termination. Color, 
black. Height, 0-6. South-Carolina. 
M. pyrenella. (Conran, Fr. Wat. Sh. p. 52, pl. 8, fig. 5.) Shell elevated, with flattened whorls 
having an obsolete spiral line on each: suture impressed ; body-whorl angulated, the angle 
defined by a prominent line; base hardly convex; lip angulated near the centre; aperture 
patulous ; columella obtusely rounded at the base. North-Alabama. 
M. potostensis. (Lea, Am. Phil. Tr. Vol. 8, p. 154, pl. 6, fig. 45.) Shell carinate, conoidal, 
rather thin: spire obtusely elevated; sutures much impressed ; whorls 8, convex; aperture 
large, more than one-third of the total length, ovate. Color, brown; within purplish. 
Length, 0°62; diameter, 0°28. Méssouré. 
M. acuto-carinata. (In. Ib. pl. 6, fig. 46.) Shell carinate, conoidal, rather thick, shining: spire 
obtusely elevated; sutures impressed ; whorls six; aperture large, nearly one-half of the 
total length, elliptical, angular at the base. Color, dark brown; within purplish. Length, 
0°66; diameter, 0°3. Tennessee. 
M. warderiana. (In. Ib. p. 185, pl. 6, fig. 47.) Shell carinate, club-shaped, rather thick: spire 
conical ; sutures linear; whorls 8, convex ; aperture ovate, rather more than one-third the 
length of the shell. Color, very dark; flesh-colored within. Length, 0°76; diameter, 0°37. 
Virginia. 
M. sulcosa. (Iv. Ib. pl. 6, fig. 48.) Shell transversely sulcate, conoidal, thick: sutures im- 
pressed ; whorls flattened; aperture small, ovate. Color, yellowish; within whitish. Length, 
—; diameter, 0°32. Tennessee. 
M. striatula. (Ip. Ib. p. 186, pl. 6, fig. 49.) Shell striate, conoidal, carinate above, rather thin: 
spire somewhat elevated ; sutures impressed ; whorls 8, convex ; aperture small, rather more 
than one-third of the total length, elliptical. Color, dark reddish brown; reddish within. 
Length, 0°49; diameter, 0°21. Tennessee. 
M. pillula. (Ip. Ib. pl. 6, fig. 50.) Shell striate, subglobose, thick: sutures somewhat im- 
pressed ; whorls 4? convex; aperture ovate, about half the length of the shell, angular at the 
base. Color, dark brown; within purplish. Length, 0°43; diameter, 0°34. Tennessee. 
M. circincta. (Iv. Ib. p. 187, pl. 6, fig. 51.) Shell striate above, turreted, rather thin: spire 
drawn out; sutures small; whorls 9, slightly convex, carinate in the middle ; aperture small, 
elliptical, angular at base. Color, pale yellow, with a broad band on the carina ; within white. 
Length, 0°9; diameter, 0°35. Tennessee. 
M. venusta. (Iv. Ib. pl. 6, fig. 52.) Shell subtuberculate above, fusiform, somewhat thin: spire 
rather obtuse ; sutures roughly impressed; whorls 6, convex ; aperture elongated at the base, 
angulated and channelled, rather more than half the length of the shell. Color, yellowish 
above. Length, 0°8; diameter, 0°43. Tennessee. 
M. florentiana. (Iv. Ib. p. 188, fig. 6, fig. 53.) Shell tuberculate, elliptical, ponderous: spire 
obtuse ; sutures impressed ; whorls 6, slightly convex; aperture elongated, more than half 
the total length. Resembles M: olivula. Color, pale, occasionally with bands ; within whi- 
tish. Length, 0°87; diameter, 0°47, Tennessee, Alabama. 
13* 
