24 
CYCLOTUS §. 9. 
noidea, apice subtili; anfr. 4 convexi, rapide accrescentes, ul- 
timus teres; umbilicus conicus, diametri occupans; aper- 
tura subverticalis , circularis, intus margaritacea ; perist. con- 
tinuum, breviter adnatum, duplex: internum haud porrectum, 
externum breviter patens, obtusum. — Operc. ? — Diam. 
maj. 14, min. ID/ 2 , alt. 8 mill. Ap. intus 6 mill, longa et 
lata. (Mus. Cuming.) 
Cyclostoma Chinense (Cyclotus?) Pfr. in Proc. Zool. Soc. 1854. p. 299. 
Habitat Hong Kong Chinae (Fortune). 
Obs. Persimilis C. Forlunei Pfr. 
% 
54. eojriaieiaBtim IWotiss. -j* ( Gray Phan. p. 22. — 
Ad. Gen. p. 275.) Mon. p. 38. 
55. |BfiebejiiS Sow. (Coll. 31.-— Gray Phan. p. 23. — 
Ad. Gen. p. 275.) - - 38. 
56. CC TonafOMMeuasis SossSeyet. 
„C. testa orbiculari, conico-depressa , umbilicata, ferrugi- 
nea, epidermide conspurcata; anfractibus quinis, convexis, 
supra depressis, sutura profunda divisis; apertura circulari, 
albicante ; perist. reflexo, intus marginato, albo; umbilico di- 
latato, infundibuliformi, profundo. — Operc. calcareum, mar- 
garitaceum, crassiusculum. — Lat. 10, alt. 7 mill. 44 (Soul.) 
Cyclostoma Tourannensis Soul, in Voy. Bonite. Zool. II. p. 537. t. 30. 
f. 28 — 32. 
Cyclotus Tourannensis Bens, in Ann. and Mag. 2d. ser. XIV. p. 416. 
Habitat circa Touranne Cochinchinae. 
57. C. IjUMlmtwlU S»IV. 
T. umbilicata, depressa, subdiscoidea, distincte striata, 
strigis fulgurantibus nigro-fuscis et luteis, superne latis, subtus 
linearibus picta; spira vix elevata; anfr. 4 convexi, celeriter 
accrescentes, ultimus teres, vix descendens; umbilicus latus, 
l j 3 diametri superans; apertura obliqua, subcircularis ; perist. 
breviter adnatum, duplicatum: internum expansiusculum, ex- 
ternum album, undique subaequaliter patens. — Operc. arctis- 
sime spiratum, margine anfractuum subacute prominente. — 
Diam. maj. 11, min. 9, alt. 4 mill. Ap. diam. 4 mill. (Mus. 
Cuming.) 
Cyclostoma Lindsledti (Cyclotus) Pfr. in Proc. Zool. Soc. 1856. p. 391. 
Habitat in monte Ophir peninsulae Malaccanae (F. W. Lind- 
stedt). 
* 
58. exigmis Sow. *j* {Gray Phan. p. 23. — Ad. Gen. 
p. 275.) Mon. p. 39. 
