Helicidee found in Japan. 467 
with the whorls flat, the last acutely keeled, and with the 
sutures margined. Found under bark of dead trees in the little 
island of Dagelet, in the Sea of Japan. | 
38. Helix (Patula) depressa, A. Ad. 
H. testa discoideo-conica, late umbilicata, rufo-cornea, oblique cos- 
tellata ; spira depresso-conica ; anfract. 44, planis, ultimo ad peri- 
pheriam acute angulato; apertura perobliqua, anguste lunata ; 
peristomate simplici, acuto. 
Lat. 3 lin., alt. 1 lin. 
Hab. Viadimir Bay. 
A small, depressed species, with the whorls very finely 
obliquely Ei bel, and with the last whorl acutely angulated at 
the periphery. 
Subfam. Vrrerivz. 
Gen. HYALINA, Feér. 
1. Hyalina? nitida, Mill. 
Hab. 'Tsus-Sima. | 
2. Hyalina? electrina, Gld. 
Hab. Kino-O-Sima. 
3. Hyalina (Pseudohyalina) minuscula, Binney. 
Hab. Viadimir Bay. , : 
4. Hyalina (Microcystis) rejecta, Pfr. 
Hab. Tsus-Sima. 
, 5. Hyalina (Microcystis) labilis, Gld. 
Hab. Hakodadi. | 
6. Hyalina (Conulus) pupula, Gld. 
Hab. Hakodadi (Stps.), Vladimir Bay (A. Ad.). 
This is the species most probably mentioned by Middendorff 
as H. chersina, Say, in which, however, the whorls are nar- 
rower and more numerous. 
7. Hyalina (Conulus) phyllophila, A. Ad. 
H. testa subgloboso-conica, imperforata, nitida, tenui, oblique 
striata, pellucida, succinea; spira elata, conica; anfract. 53, 
planis, ultimo ad peripheriam obtuse angulato, basi convexo ; 
apertura rotundato-lunata. 
Lat. 2 lin., alt. 2 lin. 
Hab. Mososeki. 
A thin, imperforate, turbinate, amber-coloured species, with 
