57 
MELANIA VESTITA. 
Plate VIII. — Fig. 12. 
DESCRIPTION. 
Shell subulate, subturreted; volutions nine; each 
angulated below the middle; suture deeply impress- 
ed; epidermis smooth, polished, horn coloured, with 
a dark band revolving below the angle of each whorl; 
whorls near the apex acutely carinated. 
OBSERVATIONS. 
Inhabits small streams in Greene county, Alabama, 
among the grass which grows on the rocks. The 
shell is always coated with a deposite, which obscures 
its characters. 
ANCYLUS FILOSUS. 
DESCRIPTION. 
Shell regularly oval, rather elevated; with nume- 
rous radiating prominent lines; apex very prominent, 
inclined, eroded, not nearly central. 
OBSERVATIONS. 
Inhabits the Black Warrior river, south of Blount’s 
Springs, Alabama. It is abundant on various species 
of Melania . 
