— 50 — ' 



riter accrescentes, sutura teuui marginata sejuncti, ulti- 

 mus subtus autice tumidulus; apertura magna, late 

 lunaris. — Diam. 6, alt. 3 mm. 

 Japan, Ikao et Takasaki, 



Hyalinia (Vitrea) minura n. 



Testa punctiformi perforata, depressa, spira paullisper 

 turbinata, subtus tumido-couvexa, alba, nitida, stria- 

 tula; anfr. 3'/2 — ^f sensim accrescentes, convexiusculi, 

 sutura tenui et marginata discreti, ultimus parum la- 

 tior, antice ue minime dilatatus, vix convexiusculus, 

 infra tumidus; apert. late lunaris; perist. intus tenue 

 sublabiatum, marginibus remotis, superiore mox des- 

 cendente, inferiore strictiusculo, columellari poue in- 

 sertionem angulum formante. — Diam. l'/s, alt. 

 % mm. 



Japan, Fusijama. 



Helix (Patida) lepta n. 



Testa minima, anguste-umbilicata, convexo-de])ressa, utrin- 

 que dense tenue membranaceo-lamellata, vix uitidula. 

 fiavescenti-cornea , concolor ; spira convexa , obtusa ; 

 anfr. S^/g — 4 sat lente regulariter accrescentes, con- 

 vexi, sutura profunda disjuncti, nltimus superne obtuse 

 angulatus, subtns multo convexior, autice non descen- 

 dens ; apertura magna, lunato-rotundata ; peristoma 

 tenue, margine columellari superne late patulo. — 

 Diam. 1^2, alt. 1 mm. 



Japan, Nagasaki. 



Helix (Patula) ruderata Stud. 

 var. opnlens n. 

 Testa globoso-eonvexa, dense costulata , late concave um- 

 bilicata; anfr. convexi, ult. obtuse angulatus, sutura 

 profunda. — Diam. 7, alt. 5 mm. 

 Beriui^s-Insel. 



