42 HELIX g. 8. 



Helix Ammonia Valenc. in Mus. Paiis. 

 _ _ Oesh. In Fer. hist. I. p. 197. N. 265. t. 37 A. f. 1. 



Habilat . . .? 



* 



97. casca Gould. •}• {Nanina casca Gould Exped. 

 shells 1851. p. 31. f. 69. — Hel. calva Gould in 

 Proc. Bost. Soc. 1846. p. 179. — Pfr. Mon. 1. 

 N. 68*.) Mon. I. p. 4 1. 



98. H. Sieboldtiana Pfr. 



T. vix perforata, globosa, tenuis, cornea, pellucida, stria- 

 tula et obsoletissime subdecussala; spira breviter conoidea, 

 aculiuscula; anfr. 57^ convexiusculi, ultimus ventricosus; aper- 

 tura lunato-circularis; perist. sitnplex, acutum, margine colu- 

 mellari arcuato, dilatato, fornicato-reflexo. — Diam. maj. 18, 

 min. 151/2, alt. 13 miil. (Coll. Nr. 47.) 



Helix Sieboldtiana Pfr. in Zeitschr. f. Malak. 1850. p. 87. 



— ravida Pfr. in Chemn. ed. nov. Helix I. p. 201 . t. 31 . f. 1 . 2. 



_ _ pfr. Mon. I. p. 42. N. 69. Nec Bens. 



Habitat in Japonia. (Dr. Sieboldt in Mus. Cuming.) 



Obs Persimilis speciminilius jimioribus Hel. ravidae Bens. 



99. H. naevula Morelet. •{• 



T. subglobosa, perforata, minute striata, pallide fulva, 

 tenuis, lineoiis punctiformibus creberrimis adumbrata maculis- 

 que violaceis irregularibus picta; anfr. i^/^, ultimus dilatatus, 

 aperturam rotundatam fornians; perist. simplex, acutum, mar- 

 gine columellari umbilicum semitegente. — Diam. maj. 15, 

 min. 12 mili. (M.) 



Helix naevula Morelet Test. uoviss. I. p. 7. N. 2. 

 Habitat ad Baracoa in insula Cuba. 

 Obs. Conf. H. penicUlata Gould. 



* 

 100. rosea Jan. •}• Mon. I. p. 42. 



101. H. Orcula Benson. 



T. vix perforata, conico-globosa, tenuis, irregulariter co- 



stulato-striata, scabra, cornea, translucens; S[»ira obtuse conica; 



sutura profunda; anfr. 3% rotundati, uitimus vix descendens; 



apertura perobli(|ua, lunaio-rotundata; perist. simplex , rectum, 



marginibus subconnivcntibus, columellari reflexiu.^^culo, per- 



forationem semilegcnle. — Diani. 2, ait. 1% mill. (Coll. Nr. 48.) 



Helix Orcula Bens. in Ann. and Mag. 2 d. ser. VI. 1850. 



p. 231. 



_ _ Cheimi. ed. II. Uclix N. 882. t. 136. f. 18-20. 



