446 HELIX 8. 444. 
3166. EX. semirasa Iioussom. 
T. umbilicata, perdepressa, tenuis, subtiliter striatula et 
setis brevissimis, non confertis obsita, nitidula, corneo-albida 
vel alba, fascia lata castanea supera alteraque angusta infra 
medium ornata; spira plana, vertice subimmerso; sutura im- 
pressa; anfr. n parum convexi, ultimus depresso - rotundatus, 
antice breviter descendens, pone aperturam turgidus, basi pla- 
niusculus, antice subconstrictus ; umbilicus mediocris (!/; diametri 
subaequans), conicus; apertura perobliqua, lunato-subcircularis ; 
perist. simplex, roseum, marginibus conniventibus, supero bre- 
viter expanso, basali breviter reflexo, ad insertionem in laminam 
triangularem, patentem dilatato. — Diam. maj. 19, min. 16, 
alt. 7 mill. (Coll. Mousson et Coll. Nr. 1363.) 
Helioc Moluccensis Pfr. in Zeitschr. f, Malak. 1850. p. 84; 
Chemn. ed. IL. Helix p. 352. t. 135. 
f. 10. 11; Mon. Helic. III. p. 245. nr. 1443; 
V. p. 394.:505.. nr. 2545; 
—  Ssemirasa AMouss. in coll.; v. Martens Ostas. Exp. Zool. 
17 p.,392- 
I — Pfr.. Novit. conch.-IV. p. ,38.-Nr., 709. £:M0e 
f. 4—6. 
—  ltorlilabia Hombr. N' Jacq.? 
Habitat in insulis Arrow (Embrecht), Nova Guinea, nec in Moluccis. 
Obs. Etsi haec species absque dubio cum 4H. Moluccensi identica 
sit, tamen nomen posterius ob localitatem erroneam praeferendum. 
* 
3167. guttata Le Guill. f I. 388. V. 391. — Ins. Ceram. 
3168. zebra Pfr. (Coll. 1364.) III. 246. IV. 294. V. 391. 505. — Plani- 
spira Pütel Cat. p. 96. — Ins. Ceram, Goram. 
3169. H. Embrechtiana Pfousson. 
T. umbilicata, depressa, tenuiuscula, striatula et striis spi- 
ralibus mieroscopicis sculpta, nitida, alba, fasciis 2 latiusculis 
corneo- castaneis et superne serie macularum triangularium vel 
lunarium ornata, subtus cornea, albo-guttulata et strigata; spira 
plana, medio leviter immersa; sutura profundiuscula; anfr. 4 
modice convexi, ultimus rotundatus, antice lente descendens, 
non constrictus, subtus pone aperturam vix tumidior et juxta 
umbilicum mediocrem leviter impressus; apertura diagonalis, 
lunato-rotundata; perist. simplex, album, marginibus conniven- 
tibus, supero sublate expanso, antrorsum arcuato, basali expanso- 
reflexo, ad insertionem parum dilatato. — Diam. maj. 21, min. 17, 
alt. 9 mill. (Coll. Mousson.) 
