HELIX S. 434. 319 
nata, aeutiuscula; sutura parum conspicue submarginata, im- 
pressa; anfr. 6 convexiuseuli, primi 3 nigro-castanei, ultimus 
non ascendens, infra peripheriam subacute angulatus, nigro- 
castaneo transversim late trizonatus (zona tertia basali, latissima), 
basi mediocriter convexiusculus; apertura diagonalis, truncato- 
ovalis, albida, zonis 3 intus transmeantibus ornata; peristoma 
simplex, brevissime reflexum, albidum aut nigro-castaneum, 
albido limbatum, haud angulatum, margine columellari obliquo, 
triangulatim dilatato, externo antrorsum subarcuato, versus in- 
sertionem attenuato. — Diam. maj. 19, min. 16, alt. 24 mill.» (Cr.) 
Helio Biocheana Crosse in Journ. Conch. XVIII. 1870. p. 249. 
Habitat in insula Bougainvillei Archipelagi Salomonis (Brazier). 
Obs. «Species Helici pileo, metae et metulae vicina, ad sectionem 
Geotrochorum quoque pertinens. Differt angulo subacuto anfractus ultimi, 
apertura truncato-ovali, haud angulata, peristomate brevissime reflexo et 
colore.» — Conf. Crosse in Journ. Conch. 1871. p. 123 et Brazier in Proc. 
Zool. Soc. 1872. p. 805, ubi cum praecedente identica declaratur. 
* 
9614. subvitrea Pfr. IV. 253. V. 327. — Ins. Molucc. 
2615. Blanfordi Ei. Adams. V. 327. 501. — Helix Blanfordiana 
H. Adams in Proc. Zool. Soc. 1869. p. 275. — Nova Guinea. 
2676. Ei. Silveri Angas. T 
«T. perforata, globoso-conica, tenuis, plicis validis obliquis 
flexuosis corrugata, cretacea; spira conoidea, apice obtuso, su- 
tura distincta; anfr.;6 convexiusculis, ultimo antice descendente, 
peripheria leviter carinato, basi convexo; apertura obliqua, 
subovali, marginibus conniventibus, callo tenui junctis, dextro 
tenui, acuto, expansiusculo, columellari superne expanso, re- 
flexo, perforationem semitegente. — Diam. maj. 11, min. 9, 
alt. 8 lin.» (A.) 
Helix Silvert (Rhagada) French Angas iu Proc. Zool. Soc. 1868. 
p. 257 cum icone. 
Habitat in Australia meridionali. 
2671. japonica Pr. (Coll. 1453.) L 448. III. 219. IV. 254. V. 327. — 
Salsuma A. Adams in Ann. and Mag. n. h. 4th. ser. I. 1868. 
p. 463. — Heliz vitracea Fér.? (Mart.) — Japonia. 
2618. EÍ. albida A. Adams. 4 
«H. testa subobtecte perforata, conoidali, tenui, oblique 
leviter striata et sub lente transverse tenuissime striatula, al- 
bida; spira conica, apice obtusiusculo; anfr. 6, subplanatis, 
ultimo carinato, antice non descendente, basi paulum convexo, 
