CYCLOPHORID&. 121 
simple, shortly prominent ; outer edge very shortly fixed to the 
penultimate whorl, equally expanded all round into the plane 
of the aperture. Length 14, breadth 8 mill. 
Cyclostoma obscurum, Gray, ISS. Olim ; Sow. Thes. n. 157, p. 147, 
t. 28, f. 169. 
Cyclostoma Grayanum, Pfr. in Z. f. M. 1846, p. 43; Jc. n. 42, 
p. 49, t. 6, f. 15,16; Adams, Cat. Shells Jam. 1847 (Contrib. to 
Conch. p. 15). 
Choanopoma Grayanum, Pfr. in Z. f. I. 1847, p. 107, n. 11; Gray, 
Cat. Cycl. p. 52, n. 18. 
Adamsiella Grayana, Pfr. Consp. n. 247; Pnewm. Mon. p. 171. 
8. With the peristome more distinctly double, concentrically 
striate, inner edge prominent. 
Cyclostoma concentricum, Adams, Contrib. to Conch. p. 4. 
y. With the peristome broader expanded, concentrically striate, 
reddish-brown, left margin slightly waved. 
Cyclostoma serriferum, Adams, Contrib. to Conch. p. 4. 
Hab. Jamaica. 
§ 3. Shell pupiform, last whorl detached. 
6. ADAMSIELLA MORIBUNDA. 
Shell perviously perforate, oblong, rather solid, truncate, very 
minutely decussated by raised concentrical and longitudinal 
lines, the ninth or tenth of which appears stronger than the 
others, whitish-yellow, obsoletely spotted along the slightly 
crenated suture ; whorls remaining 4, convex, the last rounded, 
shortly detached anteriorly; aperture nearly parallel to the 
axis, rather circular; peristome double; inner edge shortly 
prominent ; outer edge continuous, shortly refiected all round, 
angularly auriculate above. Length 12, breadth 61 mill. 
Cyclostoma moribundum, Adams, Contrib. to Conch. p.5; Pfr. Ic. 
n. 342, t. 43, f. 6, 7. 
Adamsiella moribunda, Pfr. Consp. n. 248 ; Pnewm. Mon. p. 173. 
Hab. Jamaica. 
7. ADAMSIELLA INTERMEDIA. 
Shell open, perforate, oblong-pupiform, rather solid, minutely 
trellised, not shining, fulvous-whitish, with obsolete rows of 
reddish-brown spots ; spire oblong, truncate ; suture obsoletely 
erenulate ; whorls remaining 4, moderately convex, the last 
one slender, detached anteriorly ; aperture oblique, circular; 
peristome double; inner edge shortly prominent; outer edge 
concentrically striate, moderately expanded into a right angle. 
Length 13, breadth 7 mill. 
M 
