330 HELIX 8. 107. 
Helia Trochalia Bens. in Ann. and Mag. n. h. 3d. ser. VII. 
(Febr. 1861.) p. 82. 
Habitat ad Portum Blair insulae Andamanicae (Haughton). 
2168. H. pudica Pfr. 
T. anguste umbilicata, trochiformis, tenuiuscula, striatula, 
superne stris confertis antrorsum descendentibus, subtus striis 
subconcentricis decussatula, lutescenti - carnea; spira conica, 
sursum rubescens, apice obtusula; sutura levis; anfr. 5 vix 
convexiusculi, ultimus non descendens, medio subacute cari- 
natus, basi convexior, prope carinam castaneo-unifasciatus, an- 
tice tumidulus; apertura perobliqua, rotundato - subrhombea; 
perist. subroseo-callosum, margine supero expansiusculo, basali 
flexuoso, reflexo, supra umbilicum dilatato, prope insertionem 
intus nodulo unico munito. — Diam. maj. 22, min. 19, alt. 44 
—45 mill. (Mus. Vindobon.) 
Helio pudica Pfr. im Malak. Bl. VII, 1860. p. 236. 
Habitat in Nova Britannia (Zelebor). 
2169. H. Leucothoé Pfr. 
T. anguste umbilicata, trochiformis, tenuiuscula, striatula, 
superne strüs antrorsum descendentibus, subtus striis subcon- 
centricis sub lente decussatula, albida; spira turbinata, apice 
obtusula; anfr. &4!/ convexi, ultimus antice vix descendens, 
peripheria acute carinatus, subtus prope carinam unifasciatus, 
minus convexus; apertura diagonalis, rhombeo -lunaris; perist. 
expansum, margine supero tenui, basali medio inerassato, colu- 
mellari dilatato, purpurascente. — Diam. maj. 20!/, min. 17, 
alt. 121/, mill. (Mus. Cuming.) 
Helio Leucothoà Pfr. in Proc. Zool Soc. 1861. p. 192; Novit. 
conch. p. 179. Nr. 280. t. 48. f. 7—9. 
Habitat in Nova Georgia (Macgillivray). 
2170. H. Lienardiana Crosse. j| 
«T. anguste umbilicata, trochiformis, tenuiuscula, striis nume- 
rosis, obsoletis, minutis, lineas incrementi intersecantibus, su- 
perne perobliquis, subtus concentricis, decussatula et quasi 
malleata, pallide flavida, castaneo-unifasciata; spira turbinata, 
apice obtusa; anfr. 4!/, convexiusculi, primi rosei, ultimus an- 
tice vix aut minime descendens, peripheria acute carinatus, 
subtus prope carinam late castaneo-unifasciatus, paulo magis 
convexus; apertura diagonalis, rhombea, intus albida, bifas- 
ciata; peristoma album, margine columellari parvo, subrecto, 
