102 



umbilicata; anfr. 5 convexiusculis. Apertura transversa, anguste 

 lunaris, columella verticalis. Axis ^ ; diam. | poll. 



Inhabits Hakodadi, among dead leaves, in woods. W. S. 



Very nearly allied to //. misella. 



Helix pupula. T. minuta, ovato-conica, levis, succinea, 

 infra convexa, indentata ; anfr. •'>-(- tabulatis, ad peripheriam ob- 

 tuse angulatis. Apertura transversa, lunata ; labro simplici, colu- 

 mella recta, reflexa. Axis ad } poll. 



Among dead leaves in woods, Hakodadi (Isl. Jesso). W. S. 



Very much like our chersina, or the European fide a. 



Helix paupbb. T. parva, discoidea, rufo-cornea, striis in- 

 crementi costulata, subtus calyculata ; anfr. 4J convexiusculis ; 

 sutura profundi. Apertura perobliqua, prona, rotundata ; peris- 

 tomate simplici. Diam.-^; axis £ poll. On dead wood in thick- 

 ets, Petropaulski, Kamtschatka, also Hakodadi (Isl. Jesso). W. S. 



Allied to 11. rotundata and perspectiva. Probably the same 

 noted by Middendorff as H. rudcrata of Europe. 



11 r.i.ix opekculina. Testa tenuis, depressissima, rufo-cornea ; 

 anfr. 5 concavo-convexis, ad peripheriam aeutissime carinatis, 

 marginatis ; subtus concava deinde convexa. Apertura angustis- 

 sima, sigmoidea, peristomate vix reflexo. Axis T ' 5 ; diam. -,% poll. 



Inhabits Peel Isl. (Bonin Is.) Mr. Wright. 



An exceedingly depressed species, looking much like the oper- 

 cle of some Trochus. 



II i.i. i.\ squarrosa. Testa planorboidea, squarrosa, ochra- 

 ceo-cornea, subtus pallidior, convexa, late umbilicata; anfr. li con- 

 vexiusculis, ad peripheriam subangulatis. Apertura parva, an- 

 gusta, Lunata ; peristomate simplici, ad columellam reflexo. 



Diam. ,' ; 6 ; axis {■$ poll, (probably immature.) 



Ousima (Japan), among stones on hill sides. W. S. 



Well distinguished by its large deep umbilicus, ochreous color, 

 and rough, scaly surface. Allied to Shanghaiensis. 



Xanixa PISOLINA. Testa fragilis, vitrea, levis, mcllita, orbic- 

 ularis, subtus convexior, imperforata; anfr. 3^ depressis, ad 

 peripheriam rotundatis. vVpertura lunata, labro ubique simplici. 



