286 



P. Vincenz Gredler. 



8. Pterocyclos Hensanensis Gredler. 



(Zur Conchylien-Fauna von China, VIII. Stück, pag. 12. — IX. Stück, p. 11.) 

 Taf. XI, Fig. 13, 14 und 15. 



Testa latissime umbilicata, discoidea, spira convexa, apice haud prominulo, solida, 

 striata, nitida, luteocornea, maculis rufocastaneis antrorsum fulguratis fasciaque peri- 

 pherica concolori ornata; anfr. 5 — 5'/ 2 subteretes, convexi, regulariter sensim accrescen- 

 tes, ultimus fortius striatus; apertura subcircularis, obliqua; peristoma latissimum et ele- 

 vatum, albidum, circumquaque duplex, limbo interno obtuso, supra incrassato et ad 

 lobum paulum sinuato, margo externus canali lato, lacteo ab interno sejunctus, supra 

 acutus, inversus, infra incrassatus, reflexus, ad insertionem externam auriculatus. 



Operculum calcareum, planum, nucleo aliquantulum immerso, spiris circa 7 — 8 

 margine elevato, modo laciniato, modo obtuso et transverse striato, intus concavum, 

 laeve, nucleo et margine incrassato. 



Diam. 22 — 24; alt. 10 mm. 



Hab. Hensan. 



9. Bithynia Paeteli Gredler. 



(Zur Conchylien-Fauna von China, VIII. Stück, pag. 13.) 

 Tat'. XI, Fig. 16 und 17. 



Testa globoso-conica, aperte umbilicata, solida, striatula, liris spiralibus vix sub 

 lente visibilibus circumdata, viridi — Cornea aut olivaceo — fusca; spira conoidea, ver- 

 tice acutiusculo, integro; anfr. 4, rapide crescentes, convexi, supra applanati; ultimus 

 superioribus adaequans; apertura ovato-pyriformis, ampla, obliqua; peristoma crassu- 

 lum, rectum, fusco-limbatum. 



Operculum solidum, concavum, paucispirum. 



Diam. et alt. 4 I / 2 mm. 



Hab. Siang-sang-shien, Prov. Hunan. 



10. Paludomus (?) Hilberi Gredler. 



(Zur Conchylien-Fauna von China, IX. Stück, pag. iq.) 

 Taf. XI, Fig. 10 und 11. 



Testa ovato-globosa, spira conica et vertice acuto, interdum rimata, solida, in- 

 aequaliter striatula, nitidula, olivaceo-nigricans, strigis accretionis plurimis, irregularibus, 

 lineisque brevibus et interruptis spiralibus obscure picta, ad suturam pallide olivacea, 

 subtus (ad umbilici locum) rufescens et indistincte decussata; anfr. 5, superiores minimi, 

 planiusculi, ultimus ampliatus, ventricosus, ad suturam applanatus; apertura ampla, 

 ovata, atropurpurea; peristoma simplex, acutum, rectum; margo columellaris sangui- 

 neus, nitidissimus, duplex: internus canali ab externo sejunctus, externus argute-limbatus, 

 arcuatim interno superimpositus. 



Diam. et alt. (a vertice usque ad basim columellae) 14 mm. 



Hab. Hensan. 



