122 CATALOGUE OF PHANEROPNEUMONA. 
Cyclostoma intermedium, Adams, Contrib. to Conch. p. 5. 
Adamsiella intermedia, Pfr. Consp. n. 249; Pneum. Mon. p. 173. 
Hab. Jamaica. 
Note. This species is intermediate between Adamsiella vari- 
abilis and monstrosa. 
8. ADAMSIELLA MONSTROSA. 
Shell perforate, oblong-pupiform, truncate, rather thin, regularly 
decussated, scarcely shining, whitish or pale cinnamon-coloured, 
spotted and marbled with reddish-brown; suture slightly crenu- 
late; whorls remaining 4-43, narrow, convex, the last one more 
slender, cylindrical, widely detached and descending anteriorly ; 
aperture diagonal, small, circular; peristome double; inner edge 
shortly prominent; outer edge very much dilated, convexly re- 
flected, rather angulated above. Length 14, breadth 63 mill. 
Cyclostoma monstrosum, Adams, Contrib. to Conch. p.5; Pfr. Ic. 
n. 259, t. 36, f. 17, 18. 
Adamsiella monstrosa, Pfr. Consp. n. 250; Pnewm. Mon. p. 178. 
Hab. Jamaica. 
§ 4. Shell oblong-turreted. 
9, ADAMSIELLA XANTHOSTOMA. B. M. 
Shell open, perforate, oblong-turreted, truncate, solid, with the 
surface waved by blunt spiral ridges, very crowdedly striate 
and distantly furrowed longitudinally, grayish-brown or pale, 
opaque; spire regularly tapering, broadly truncate; suture 
deep, rather simple; whorls remaining 43-5, rounded, enlarging 
slowly; aperture perpendicular, nearly circular, flesh-coloured 
inside; peristome orange-coloured or white, double; inner edge 
simple, very short; outer edge continuous, dilated and expanded 
horizontally, slightly waved, rather angular above. Length 13, 
breadth 62 mill. 
Cyclostoma xanthostoma, Sow. Thes. n. 149, p. 144, t. 29, f. 195; 
Pfr. Ic. n. 118, p. 115, t. 14, f. 6-8. 
Cyclostoma tenuistriatum, Adams, Contrib. to Conch. p. 8. 
Choanopoma xanthostoma, Gray, Cat. Cycl. p. 53, n. 23. 
Adamsiella xanthostoma, Pfr. Consp.n. 251; Pnewm. Mon.p. 174. 
Hab. Jamaica. 
10. ADAMSIELLA PINGUIS. 
- Shell umbilicate, oblong-turreted, truncate, solid, with the surface 
waved by blunt spiral ridges, very crowdedly striate longitudi- 
nally under a lens, oily-shining, cinnamon-brownish ; spire regu- 
larly tapering, broadly truncate; suture deep, simple; whorls 
