30 
CYCLOTUS §. 1 . 2 . 
elevata; sutura bene impressa; anfr. 5, ultimus fere undique 
minute rugatus, subtus planulatus, peripheriam subangulatam 
reddens; apertura sub orbicularis , effusa, acuminata, superne 
valde producta; labrum crassum; umbilici diameter r / 2 aper- 
turae. — Operc. ? — Diverg. media 130° ; alt. 0,45, lat. max. 
0,7, min. 0,58". (Ad.) 
Cyclostoma perpallidum Adams Contrib. to Conch. N. 9. p. 157. Conf. 
N. 8. p. 148. 
Cyclolus perpallidus Pfr. Consp. N. 24. 
Habitat in insula Jamaica. 
Obs. Nonne C. aspcrulo nimis afflnis? 
1 25. C. Fortune! Pfr. 
T. umbilicata, turbinato-depressa, solidula, subtiliter stria- 
tula, fulva, castaneo minute marmorata et infra medium uni- 
fasciata; spira brevissime turbinata, vertice subtili; sutura 
simplex; anfr. 47. 2 convexi, ultimus teres, non descendens; 
umbilicus conicus, profundus, diametri subaequans; aper- 
tura fere verticals, subcircularis , superne leviter angulata; 
perist. simplex, rectum, anfractui penultimo breviter adnatum. 
— Operculum normale, margine anfractuum filoso-elevato. — 
Diam. maj. 12 r / 2 , min. 10, alt. 7 mill. Ap. 67 3 mill, longa. 
(Mus. Cuming.) 
Cyclostoma Fortunei (Cyclotus) Pfr. in Proc. Zool. Soc. 1852. 
— — Chemn. ed. II. Cycl. N. 404. t. 49. f. 3 — 5. 
Habitat Shanghi Chinae (Fortune). 
§• 2. 
2 26. C. ? voBvialoides Sowerby. 
T. umbilicata, turbinato-depressa , solida, superne et basi 
confertim spiraliter lirata, nitida, carneo et fusco-violaceo varie- 
gata ; spira turbinata, obtusiuscula ; anfr. 5 perconvexi, ultimus 
latus , peripheria rotundatus, sublaevigatus ; umbilicus latus, 
profundus; apertura vix obliqua, subcircularis, intus fulvida; 
perist. simplex, breviter interruptum, album, margine supero 
repando, expanso, dextro brevi, columellari perdilatato, patente. 
— Operc.? — Diam. maj. 25, min. 19, alt. 14 mill. (Mus. 
Cuming.) 
