396 HELIX 8. 407. 
convexiusculi, medio subconcavi, ultimus non descendens, an- 
gulatus, basi subplanatus; apertura diagonalis, triangularis ; 
perist. simplex, late expansum, album, margine supero sinuoso, 
antrorsum arcuato, basali reflexo, cum columellari obliquo, 
wiangulaüm dilatato, supra perforationem reflexo, et intus sub- 
dentato. — Diam. maj. 36, min. 30, alt. 37 mill.» (A.) 
Helio (Geotrochus) í(urris H. Adams in Proc. Zool. Soc. 
41868. p. 415. 
Habitat in insula Waigiou (Wallace). 
* 
2151. (1643. Steursiana Shuttl. 4. —  Pfr. Mon. III. p. 179; IV. 
p. 257. — Amboina. 
2159. (1622. E. pileolus Férussac. 
T. umbilicata, trochiformis, carinata, solidula, oblique levi- 
ter striata, opaca, carneo albida; spira exacte conica, vertice 
obtusulo, pellucido; sutura levis, filomarginata; anfr. 9 sub- 
plani, ultmus antice vix descendens, basi acute carinatus, 
subtus subdiaphanus, isabellinus; apertura perobliqua, irre- 
gulariter rhomboidea; perist. album, undique expansum et 
reflexum, ad earinam rostratim revolutum, margine columellari 
in laminam patentem, umbilieum angustissimum obtegentem, 
dilatato. — Diam. maj. 24, min. 19, alt. 16—17 mill. (Fér. pl. 
63 A. f. 1. — Mus. Cuming.) 
8. Plerumque minor, flammis et maculis rufo-corneis pellu- 
cidis, irregularibus, magis minusve crebris in fundo opaco 
pallide corneo notata. (Fér. ib. f. 2.) 
Heli pileolus Fér. Hist. t. 63A. f. 4. 2; nec Pfr. Mon. L. 
p. 324. 
ed — Pfr. in Malak. Bl. VII. 1860. p. 64. 
— Aarí. Ostas. Zool. Il. p. 324. t... A7. £..8.,.9; 
Habitat in insula Batchian (Wallace). 
2153. H. Zoae Pír. 
T. umbilicata, trochiformis, solidula, irregulariter rugoso- 
Striata, subdiaphana, pallide carnea vel alabastrina; spira ele- 
vato-conica, apice obtusula; anfr. 6!/, — 7 vix convexiusculi, 
ultimus infra medium carinatus, rufo-lineatus, subtus vix con- 
vexior; apertura obliqua, depressa, subquadrangularis; perist. 
simplex, margine dextro breviter expanso, basali strictiusculo, 
reflexo, columellari brevi, verticali, roseo vel violaceo, per- 
dilatato, umbilicum angustum non occultante. — Diam. maj. 
20!/, min. 18, alt. 19—24 mill. (Coll. Nr. 1073.) 
