CYATHOPOMA §. 3. CYCLOTUS. OPISTHOPORUS. 383 
striata, ad peripheriam valde et prope suturas leviter pilosa; 
spira conica; anfr. 6, convexi (suturis profundis), ultimus teres, 
antice subabrupte leviter descendens, costulis spiralibus conti- 
nuis elevatis inter suturam et carinam regionis umbilicalis mu- 
nitus, quarum duabus ad peripheriam reliquis magis elevatis 
et pilis perlongis, patentibus, saturate brunneis obsitis, inter 
quas una vel rarius 2 costulae minus prominentes et imberbes; 
anfr. penultimus costulis 6 — 7 munitus et suturis supera et 
infera leviter pilosis; anfr. antepenultimus 5 — 6, praecedens 
2 — 3 lineas minus prominentes ostendens, apicales 2 minuti 
ac fere laeves; umbilicus pervius, omnes anfractus monstrans, 
extus fimbria pilosa non cinctus, intus spiraliter costatus et 
sculptura forti, elevata, filiformi, sinuata vel curvata munitus; 
apertura obliqua, subcircularis ; peristoma crassum, duplex: 
internum intus margaritaceo-album et crenatum, externum mar- 
ginibus supero et basali (praesertim ad apicem dextrum et 
basin sinistram) dilatatum et leviter reflexum, magis minusve 
sinuatum. — Operculum duplex, externe concavum, testaceum, 
nucleo centrali transparente parvo. — Altit. 1 / 4 , diam. max. 5 / 16 
poll. 44 (B. angl.) 
Cyathopoma seticinctum (Jerdonia) Beddome in Proc. Zool. Soc. 1875. p. 
449. t. 53. f. 23. 24. 
Habitat „Anamallay hills 44 Indiae meridionalis. 
Obs. „ Affine Mychopomati hirsuto, sed epidermide peculiari elevata 
filiformi praeter umbilicum carens, testa minor, forma diversa, etc.“ 
VII. Cyclotus Guilding. 
(p. 27.) 
7. Inca Orb. — Cyclostoma nobile Fer. — Var. : Cyclotus Blanchetianus 
Reeve. 
VIII. Opisthoporus Benson. 
(p. 41.) 
10. Gordoni Bens. — Pterocyclos Gordoni Haul, Sp Theob. Conch. Ind. 
III. t. 49. f. 9. 10. 
iia. 0. Cambodjensis (Pterocyclos) Nforelet. + 
„T. late umbilicata, solidula, depressa, sub epidermide ru- 
fescente albida rufoque partim suffusa; spira prominula, apice 
