24 CYCLOTUS §. 9. 



noidea, apice subtili; anfr. 4 convexi, rapide accrescentes, iil- 



tiraus teres; umbilicus conicus, Y^ 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. IIV25 ^l^. 8 mill. Ap. iutus 6 mill. longa et 



lata. (Mus. Cuming.) 



Cyclostoma Chmense (Cyclotus?) Pfr. in Proc. Zool. Soc. 1854. p. 299. 



Habitat Hong Kong Chinae (Fortune). 



O b s. Peisimilis C. Forlunei Pfr. 



* 



54. eoriiicitliim IHoiiss- -J- {Gray Phau. p. 22. — 



Ad. Gen. p. 27.5.) Mon. p. 38. 



55. plebeJuS Sow. (Coll. 31. — Gray Phan. p. 23. — 



Ad. Gen. p. 27.5.) - - 38. 



56. C* Toiiraniieusis Soiileyet. -^ 



„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." (Soul.) 



Cyclostoma Tourannensis Soul. in Voy. Bonite. Zool. II. p. 537. t. 30. 

 f. 28 — 32. 



Cyclotus Touranncnsis Hens. in Ann. and Mag. 2d. ser. XIV. p. 416. 

 Habitat circa Touranne Cochinchinae. 



57. C. liiudsteilti Pfr. 



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, 

 I/3 diametri superans; apertura obliqua, subcircularis ; perist. 

 breviter adnatum, duplicatum: internum expansiusculum, ex- 

 ternum album, undique subaequaliter patens. — Operc. arctis- 

 sime spiratum, margine anfractuura subacute prominente. — 

 Diam. maj. 11, min. 9, alt. 4 mill. Ajj. diam. 4 mill. (Mus. 

 Cuming.) 



Cyclostoma Lindstedti (Cyclotus) Pfr. in Proc. Zool. Soc. 1856. p. 391. 

 Habitat in monte Ophir peninsulae Malaccanae (F. W. Lind- 

 stedt). 



58. eiLisiiiiS Sow. f {Gray Phan. p. 23. — Ad. Gen. 



p. 275.) Mon. p. 39. 



