HELIX 8. 449. 389 
Semicornu mollisetum Wallace in Proc. Zool. Soc. 1865. p. 410. 
Habitat in insula Mysol (Wallace). 
Obs. Differt ab H. circumdata Fér. statura, epidermide, anfractu 
ultimo minus deflexo, umbilico angustiore, apertura magis rotundata. 
» 
2532. (188€) circumdata F'ér. (Coll. Nr. 1265.) Chloritis A?. 462. — 
Semicornu circumdatum . Wallace in. Proc. Zool. Soc. 41865. 
p. 410: Nova Guinea, ins. Aru, Mysol. — 8. Major, superne 
unicolor fusca: Waigiou. (lI. 387.) 
2533. H. aurita Martens. | 
«Testa anguste umbilicata, depressa, oblique striatula, 
albida, rufo-irifasciata; spira plana; anfr. 4!/,, sutura super- 
ficiali juncti, ultimus basi planatus, ad aperturam valde descen- 
dens ibique in facie inferiore leviter constrietus; apertura fere 
horizontalis, oblique securiformis, marginibus sat distantibus, 
ad angulum externum sursum flexa; peristoma tenue, reflexum, 
album, angustum, in angulo externe dilatatum. —. Diam. maj. 
97, min. 19,.alt. 12; apert. long. 16, alt. 14 mill.» (v. M.) 
Helio | aurita.. Mart. in. Monatsber. Berl. Ak. 4S8 Apr. 1864. 
p. 269; (Chloritis) Ostas. Zool. II. p. 316. 
5.4.0; f.,,4)2. 
Habitat. in insula Moti Moluccarum. 
2534. EH Martensi Pfr. 
T. umbilicata, depressa, tenuiuscula, striatula, diaphana, 
unicolor eastanea; spira plana, medio subimmersa; anfr. 4'/, 
convexi, ultimus tumidus, juxta suturam et ad peripheriam 
obsoletissime subangulatus, antiee descendens, subtus sensim 
in umbilicum. mediocrem. attenuatus; apertura fere diagonalis, 
irregulariter rotundato-lunaris; perist. rubello-albidum , anguste 
reflexum, marginibus convergentibus, columellari vix dilatato, 
patente. — Diam. maj. 1875, min. » alt. 73/, mill. (Coll. 
Nr. 1266.) 
Helioc. Martens Pfr. in Proc. Zool. Soc. 1861. p. 193. 
— — (Chloritis) Mart. Ostas. Zool. lI. p. 279. *) 
Planispira Martensi Wallace in Proc. Zool. Soc. 1865. p. 409. 
Habitat in insula Ceram (Wallace). 
*) «Testa inflato-discoidea, latiuscule umbilicata, leviter striatula, 
castanea; spira paulum immersa, angulo prope suturam distincto, prope 
umbilicum nullo; anfr. 41, ultimus antice valde deflexus; apertura dia- 
gonalis, subtriangularis; peristoma undique expansum, roseum, margine 
supero prope insertionem angulato. — Diam. maj. 19, min. 44, alt. 9; 
