301 
umbilicata, globoso-turbinata, tenuiuscula, oblique striata, nigro- 
castanea, strigis angulosis pallidis notata ; spira elevato-turbinata, 
acutiuscula ; anfract. 5 regulariter accrescentibus, convezis, 
ultimo rotundato, peripheria pallide subfasciato; apertura vix 
obliqua, subcirculari, intus cerulescenti-albida ; perist. simplice, 
albo, marginibus callo brevi junctis, dextro perarcuato, breviter 
expanso, sinistro supra partem umbilici perangusti fornicatim 
patente.—Operc. ? 
Diam. maj. 25, min. 21, alt. 19 mill. 
Hab. Hong Kong, China (Mr. Fortune). 
7. CycLostoMA SUMATRENSE (CycLopHorus), Pfr. C. testa 
umbilicaia, depresso-turbinata, tenui, spiraliter tenuissime striata, 
nitidula, fusca, ad suturam maculis alternis castaneis et pallidis 
teniata, infra peripheriam fasciis 2 articulatis ornata; spira 
breviter turbinata, acutiuscula; anfract. 5 rapide accrescenti- 
bus, superis convexiusculis, ultimo turgido, peripheria subcari- 
nato ; umbilico mediocri, infundibuliformi ; apertura obliqua, 
subcirculari, intus margaritacea ; perist. albo, simplice, subcon- 
tinuo, breviter adnato, superne et ad dextram late expanso et 
revoluto, margine sinistro minus dilatato.—Operc. fulvum. 
Diam. maj. 45, min. 34, alt. 23 mill. 
Hab. Pedang, Island of Sumatra (Capt. A. Martin). 
8. CycLosroma Taniatum (CycLopHorus), Pfr. C. testa 
umbilicata, globoso-turbinata, solda, oblique confertim striata, 
parum nitente, albida, fasciis variis atrofuscis interruptis et 
maculatis teniata ; spira turbinata, acutiuscula ; anfract. 5 con- 
veris, ad suturam complanatis, minute maculatis, ultimo turgido, 
infra peripheriam carina funiformi, nonnullisque fasciis latioribus 
cincto, bast planiore ; umbilico angusto, pervio ; apertura obliqua, 
subcirculari, intus albida, fasciis perlucentibus ; perist. simplice, 
recto, continuo, breviter adnato, superne subangulato, margine 
dextro antrorsum dilatato, sinistro incrassato, subpatente.— 
Operc. rubello-fulvum. 
Diam. maj. 28, min. 24, alt. 18 mill. 
Hab. Sumatra. 
9. CycLosroma CeREUM (CycLopHorus 2), Pfr. C. testa per- 
forata, conoideo-globosa, solidula, leviter striata, parum nitente, 
virenti-cerea ; spira conoidea, obtusula; anfract. 4 conveais, 
ultimo rotundato ; apertura parum obliqua, subangulato-circulari ; 
perist. continuo, breviter adnato, margine deatro recto, columellari 
subincrassato.— Operc. ? 
Diam. maj. 62, min. 6, alt. 5 mill. 
Hab. 
10. CycLostoma DEPLANATUM (CycLopHorus ?), Pfr. C. desta 
late umbilicata, depressa, subdiscoidea, solida, confertim striatula, 
nitida, fusco-lutea vel castanea, fascia unica peripherica, lutea 
cincta; spira vie prominula, vertice subtili ; sutura profunda ; 
