310 CATALOGUE OF PHANEROPNEUMONA. 
Geomelania minor, Adams, Contrib. to Conch. n. 2, p. 18; Pfr. Ic. 
Cyclost. p. 214, t. 30, f. 21,22; Pnewm. Mon. p. 8. 
Hab. Jamaica. 
12. GEOMELANIA HIn.IANA. 
Shell conic-cylindric, white, with, on each whorl, about thirty- 
three to thirty-five small obtuse ribs, which are obsolete ante- 
riorly and behind the labrum ; spire with rectilinear outlines ; 
apex truncate ; whorls remaining 6, very convex, with a deep 
suture ; aperture suborbicular, moderately effuse ; labrum well 
expanded and reflected, thin, linguiform part moderately pro- 
duced obliquely on the side, obtuse; labium well thickened 
and regularly reflected, slightly disjunct from the penulti- 
mate whorl. Length 0.25, greatest breadth 0.085, least br. 0.07 
inch. (Adams.) 
Geomelania Hilliana, Adams, Contrib. to Conch. n. 9, p. 159; Pfr. 
Mon. p. 11. 
Hab. Jamaica. 
13. GEOMELANIA EXILIS. 
Shell much elongated, conic-cylindrical, whitish, with, on each 
whorl, about thirty-five transverse, very slender, straight ribs, 
and numerous fine spiral strie which do not impress the sum- 
mits of the ribs; spire with rectilinear outlines; apex truncate ; 
whorls remaining 7, quite convex, with a deep suture; aperture 
broadly ovate, widely and slightly effuse; labrum slightly ex- 
panded and reflected, with the linguiform part occupying the 
lower half, and scarcely produced ; labium as much thickened 
and reflected as the labrum, rather widely separated through- 
out from the penultimate whorl. Length 0.27, greatest breadth 
0.064, least br. 0.056 inch. (Adams.) 
Geomelania exilis, Adams, Contrib. to Conch. n. 6, p.97; Pfr. Mon. 
pi: 
Hab. Jamaica. 
a 
14, GEOMELANIA PAUPERATA. 
Shell elongate-conic, whitish, with, on each whorl, about twenty- 
five rather wide obtuse transverse ribs; spire with rectilinear 
outlines ; apex truncate ; whorls remaining 7-8, quite convex, 
with a well-impressed suture ; aperture ovate, slightly effuse ; 
linguiform part of the labrum but slightly produced. This 
species resembles G. pygmza and G, Beardsleana. Length 0.21, 
breadth 0.05 inch. (Adams.) 
