HELIX 8. 108. 335 
2199. (1645. pileus Müll. (Coll. Nr. 1084.) Geotrochus 4?. 468. — 
Geotrochus pileus Wallace in Proc. Zool. Soc. 1865. p. 414. — 
Habitat in insulis Aru prope Novam Guineam, nec in Moluccis. 
(Martens in Malak. Bl. 1863. p. 413 et Wallace l. c.) (l. 323. 
IV. 257.) 
2193. (1646. meta Pfr. (Coll. Nr. 1086.) Proc. Zool. Soc. 1856. t. 36. 
f. 4. 5. — Ins. Admiralitatis. (IV. 257.) 
29194. H. acmella Pífr. 
T. subobtecte perforata, turbinata, solidula, laevigata, nitida, 
lutea, sursum pallidior; spira regulariter turbinata, vertice 
minutissimo, acuto; anfr. 6 convexi, ultimus non descendens, 
basi planior; apertura diagonalis, sub-quadrangulari-ovalis; pe- 
rist. album, reflexum, margine dextro subflexuoso, columellari 
longe adnato, umbilicum canaliformem fingente. — Diam. maj. 
26, min. 92, alt. 25 mill. (Mus. Cuming.) 
Helic acmella Pfr. in Proc. Zool. Soc. 1860. p. 135. t. 50. 
f. 4. (Malak. Bl. 1860. p. 237.) 
Habitat in insulis Admiralitatis. 
* 
2195. (1629.5 Poiretiana Pfr. (Coll. Nr. 1086.) Mon. Helic. IV. p. 164. 
— Port. Essington. (III. 149: imperfect.) 
2196. EL. splendescens Cox. 4. 
«Hel. testa obtecte perforata, globoso-conica, tenui, pellu- 
cida, laevigata, polita, castanea, ad os juxtaque locum solitum 
carinae saturatiore; fascia albida infra suturam, et subtus 
fasciis duabus albis latioribus; spira conica, apice albo; an- 
fractibus sex, subplanatis, ultimo ad os supra planato, con- 
vexo, obsoletissime carinato, antice producto; apertura perobli- 
qua, rotundo - elongata, antice subsinuata; peristomate tenui, 
reflexo, ad columellam rectam expanso, castaneo, albo anguste 
marginato. — Diam. maj. 0,95, min. 0,80, alt. 4,40 unc.» (C.) 
Helio splendescens Coo in Proc. Zool Soc. 1865. p. 696; 
Journ. Conch. XIV, 1866. p. 48. 
Habitat in insulis Salomonis (Turner). 
* 
2191. (1647. Gürtneriana Pfr. — Geotrochus Gürtnerianus Wallace 
in Proc. Zool. iSoc. 4865. p. 411. — Habitat «Night Island» 
Australiae septentrionalis (Macgillivray), ins. Aru (Wallace). — 
Variat anfractu ultimo distinctius carinato. (III. 220.) 
2198. H. labium Férussac. 
T. umbilicata, turbinato- depressa, solidula, oblique stria- 
tula, parum nitens, fulvida, fascia 4 castanea peripherica, vel 
