46 CYCLOPHORUS §. 3. 



tiuscula, apice acuta; anfr. 5 convexi, ultimus fascia raediana 

 alba, infra peripheriam obsoletissime angulatam fascia lata 

 subtusque aliis castaneis ornatus, basi convexus, circa umbili- 

 cum angustum, perviuni albus; apertura parum obliqua, sub- 

 circularis, intus coerulescenti-albida; perist. subduplex: inter- 

 num continuum, igneum, expansiusculum, subadnatum, exter- 

 num reflexiusculum, albidum, ad anfr. penultlmum emargina- 

 tum, margine columellari fere verticali, leviter arcuato, subre- 

 voluto. — Operc. norm. — Diam. maj. 35, min. 28, alt. 23 

 mill. Ap. intus 17 mill. longa. (Mus. Benson et Coll. Nr. 54.) 



Cyclustomu involvulus IJens. in Zool. Journ. V. p. 462. Nec Miill. 



Cyclophorus pyrotrcma Bens. in Ann. and Mag. N. H. 2d. ser. XIV. 

 p. 412. 

 — — //. et A. Adams Gen. rec. MoU. H. p. 280. 



Habitat ad Sikrigali et Patharghata, Bahar, et ad Rajmahal 

 Bengaliae. 



Obs. Variat magnitudine, nec non peristomate tenui, pallido. — 

 Dilfert a C. involvulo spira elatiore, umbilico angustiore, aperturae minus 

 rotundatae colore, etc. 



23. C. polynenia Pfr. 



T. umbilicata, depresso-turbinata , tenuiuscula, oblique 

 striatula et liris filiformibus confertissimis, subtus obsoletioribus 

 cincta, superne flammis angulosis laete castaneis et albidis 

 variegata; spira brevis, turbinata, apice obtusulo ; anfr, 4^^ 

 convexiusculi , rapide accrescentes , uUimus ad suturam antice 

 subplanatus, peripheria obsoletissime angulatus et fascia lata 

 nigro-fusca, deorsum dihita, ornatus, circa umbilicum niedio- 

 crera palhdus; apertura obhqua, subrotundata, latior quam 

 alta; perist. album , continuum , breviter adnatura, margine 

 dextro expansiusculo, cohuuellari breviter revoluto. — Operc. 

 saturate castaneum. — Diam. maj. 33, min. 26, aU. 17 milh 

 Ap. intus 14 mill. alta, 15 lata. (Mus Cuming.) 



Cyclostoma polynema (Cyciophorus) Pfr. in Proc. Zool. Soc. 1854. p. 126. 

 Habitat . . .? 



24. C Exial Benson. 



T. perforata, globoso-turbinata, tenuis, superne oblique 

 striata lirisque planis inaequalibus sculpta, sub epidermide 

 fulvida alba; spira turbinata, strigis fulguratis castaneis or- 

 nata, apice obtusula, cornea; anfr. 5 (vix ^i/^) convexi, ulti- 

 raus rotundatus, subtus lineis elevatis minutis notatus , peri- 

 pheria non fasciatus; umbilicus angustissimus, non pervius; 

 apertura parum obliqua, subcircularis; perist. tenue, vix con- 



