52 
PTEROCYCLOS §. 1. 2. 
medium subito interruptis ornatus, medio et basi nitidior, paulo 
infra medium cingulo lato macularum vivide castanearum, fulgu- 
ratim interruptarum et mox in strigas numerosas pallide castane- 
as, regulariter fulguratas, mediocriter conspicuas, circa umbili- 
cum subito evanidas desinentium transversim munitus; apertura 
diagonalis, subangulatim circularis, intus sordide albida; perist. 
duplex: internum album, brevissime porrectum, juxta anfractum 
contiguum vix sinuatum, externum subdilatatum, brevissime 
reflexiusculum, tenuissime multilamellosum, superne triangula- 
riter leviter protractum. — Operculum? — Diam. maj. 25, 
min. 20, alt. 8 mill. Apert, diam. c. perist. 10 mill. 44 (C.) 
Pterocyclus ? eudaedaleus Crosse in Journ. Conch. XVII. 1869. p. 187; 
XIX. 1871. p. 67. t. 1. f. 2. 
Habitat Borneo (teste B. Wright). 
Obs. Cl. Martens speciem cum praecedente identicam putat. (Malak. 
Bl. XX. 1873. p. 158.) 
9 ? Pt. chinensis Mollendorff. + 
„ Testa late umbilicata, turbinato-depressa, solidula, sub- 
pellucida, subtilissime striata, fusca, plerumque marmorata, 
medio unifasciata; spira subdepressa; anfr. 4V 2 perconvexi, 
ultimus antice descendens; umbilicus conicus, profundus; aper- 
tura diagonalis, circularis; peristoma duplex, internum breve, 
externum reflexiusculum, incrassatum. — Operculum subte- 
staceum, subconcavum, margine anfractuum lamelloso-elevato. 
— Diam. maj. 18, min. 15 3 / 4 , alt. 11 mill. Apert, diam. 
7 3 / 4 mill. 44 (v. M.) 
Pterocyclos chinensis Mollend. in Jahrb. malak. Ges. I. 1874. p. 78. 119. 
t. 3. f. 5. 
Habitat in prov. Kiangsi Chinae. 
§. 2 . 
10. Cumingi Pfr. I. 48. II. 29. III. 42. — H. Nevill Enum. Helic. et 
Pneum. Ceyl. 1871. p. 5. — Patel Cat. p. 119. — Ceylon. 
ii. Pt. Wilsoni Pfr. 
T. late umbilicata, subdiscoidea, solidula, striatula, nitida, 
fulva, castaneo dense fulgurata; spira medio vix elevata; anfr. 
4Va modice convexi, ultimus subdepresso - rotundatus , medio 
linea castanea cinctus; apertura diagonalis, subcircularis, intus 
violacescens ; perist. duplex: internum expansiusculum, adna- 
