238 
oblique irregulariter rugulata et undique minute granulata, 
pallide lutescens, fasciis 3 rufis, 1 suturali, 2 approximatis 
periphericis eincta; spira breviter conoidea; anfr. 6 modice 
convexi, lente accrescentes, ultimus antice vix descendens; 
apertura obliqua, lunaris, intus submargaritacea ; perist. 
fusco-carneum, breviter reflexum, juxta umbilicum dilata- 
tum, — Diam. maj. 19, min. 16, alt. 101/, mill. 
Habitat? 
1860a. Helix oceulta Pfr. 
T. anguste umbilicata, globoso-depressa, tenuis, sub 
lente undique minutissime granulata, fuscula; spira vix 
elevata; unfr. 4 convexiusculi, ultimus latus, antice deflexus 
et subconstrietus, basi ventrosior; apertura magna, obliqua, 
lunato-ovalis; perist. albo-callosum, marginibus approximatis, 
dextro expanso, basalı reflexo, supra umbilicum dilatato. — 
Diam. maj. 12, min. 10, alt. 7 mill. 
Hab. in insulis Aroo. 
Differt ab affıni 4. drevipila anfractu ultimo lato, 
umbilico angustiore, apertura magna, subovali, peristomate 
calloso. 
186l1a. Helix albicostis Pfr. 
T. sublate umbilicata, depressa, tenuis, granulato-ru- 
gosa et pilis brevibus obsita, cornea, costulis obliquis albi- 
dis munita; spira parum elevata; anfr. 4 convexiusculi, 
ultimus superne subangulatus, supra angulum leviter sul- 
catus, antice deflexus; apertura perobliqua, ovalis; perist. 
tenue, marginibus fere contiguis, supero expansiusculo, 
basali breviter reflexo. — Diam. maj. 91/,, min. 8, alt. 
4!/, mill. 
Habitat Ahmednuggur Indiae. 
1952a. Helix leucotropis Pfr. 
T. anguste umbilicata, depressa, solidula, conferte stria- 
tula, nitidula, carnea; spira breviter conoidea; sutura albo- 
marginata; anfr. 41/, convexiusculi, ultimus carina com- 
pressa, acuta, alba munitus, antice vix descendens, bası 
