190 
HELICINA §. 7. 8. 
culi, ultimus subangulatus ; callus basalis crassus, albus ; aper- 
tura semiovalis ; perist. simplex, rectum, margine basali versus 
columellam sensim incrassato, cum ilia angulum formante. — 
Diam. maj. 5*/a» min. 4 2 / 3 mill. (Ex ic.) 
Helicina humilis Hombr . et Jacq. Voy. Pol Sud. Zool. V. p. 45. t. 11. 
f. 27 — 31. 
Habitat in insula Hogoleu. 
60. II rudis Pfr 
T. conoideo-depressa, solidula, ruditer striatula et sub- 
malleata, fllocarinata, fulva; spira conoidea, acutiuscula; anfr. 
4 1 / 2 plani, ultimus descendens, basi parum convexus; columella 
brevis, simplex, callum tenuem , subcircumscriptum retrorsum 
emittens ; apertura diagonalis, subtriangularis ; perist. simplex, 
rectum, acutum , margine basali cum columella angulum sub- 
rectum formante. — Operc.? — Diam. maj. 4 1 / 3 , min. S 1 /^, 
alt. 3 mill. (Mus. Cuming.) 
Helicina rudis Pfr. in Proc. Zool. Soc. 1855. p. 102. 
Habitat . . . ? 
61. Iff. Slianghaieitsis Pfr. 
T. depresse conoidea, tenuis, carinata, laevigata, pallide 
cornea, rufo-strigata ; spira breviter conoidea, obtusula ; anfr. 5 
convexiusculi, ultimus non descendens, ad suturam et carinam 
subacutam pallide articulatus, basi convexior; columella brevis, 
verticalis, callum emittens tenuem; apertura fere diagonalis, 
subtriangularis ; perist. simplex, rectum, acutum , margine ba- 
sali leviter arcuato, cum columella angulum formante. — 
Operc. tenue, corneum. — Diam. maj. 4 4 / 2 , min. 4, alt. 2 2 / 3 
mill. (Mus. Cuming.) 
Helicina Shanghaicnsis Pfr . in Proc. Zool. Soc. 1855. p. 102. 
Habitat Shanghai Chinae (Fortune). 
62. Iff. Saiidwicliiensig Souleyet. 
T. conoideo-lenticularis , solidula, liris nonnullis obsoletis 
Spiralibus notata, rufa, epidermide lutescente irregulariter stri- 
gata; spira conoidea, acutiuscula; anfr. 4 plani, carinati, sub- 
exserti, ultimus basi convexus; columella brevis, callum emit- 
tens albidum, margines jungentem ; apertura perobliqua, tri- 
angularis; perist. simplex, rectum, margine basali cum columella 
