AU s 
284. Helix Ibuensis Pfr. — T. subperforata, trochi- 
formis, tenuis, oblique costulato-striata, pellucida, pallide cornea ; 
spira conica, acuta; anfr. 7 vix convexiusculi, ultimus acute 
carinatus, basi vix convexior, sublaevigatus; apertura depressa, 
late angulato-lunaris; perist. simplex, acutum, margine columel- 
lari subreflexo, perforationem fere claudente. 
Diam. 13, alt. 10 mill. — Ibu Africae. (Frazer in coll. Cum.) 
285. Helix pacifica Pfr. — T. perforata, subtrochi- 
formis, tenuis, pellucida, striatula, cornea; spira conoidea, acu- 
Uuscula; anfr. 6—6!/, convexiusculi, ultimus acute carinatus, 
basi paulo convexior, laevigatus, nitidus; apertura depressa, 
angulato lunaris; perist. simplex, acutum, margine columellari 
vix dilatato, in perforationem punctiformem inserto. 
Diam. 5?/, alt. 4 mill. — Ins. Cocos oceani pacifici. 
Persimilis H. lividae Guild., basi multo minus convexa et 
apertura lunari diversa. 
286. Helix ochroleuca Fér. pr. 308. — H. ochracea 
Fér. t. 30. f. 1. — H. albella Chemn. IX. 1106. — T. sub- 
perforata, globuloso depressa, leviter striata, albida, superne 
ochraceo variegata et cingulis aurantiis varie ornata; spira brevis, 
obtusa; sutura linearis; anfr. * plani, ultimus medio angulatus ; 
columella brevissima, verlicalis; apertura late lunaris; perist. 
simplex, margine columellari reflexiusculo, perforationem fere 
lecente. : 
Diam. 17, alt. 10 mill. — Bermuda. (Menke.) 
251. Helix Uitenhagensis Krauss mss. — T. per- 
forata, depresso-turbinata, striatula, alba, punctis fuscis con- 
spersa; spira elevata, apice papillata; anfr. 6 vix convexiusculi, 
ulümus inflatus; apertura rotundato -lunaris, intus fuscidula; 
perist. simplex, acutum, margine columellari dilatato, reflexo. 
Diam. 11, alt. 7?/, mill. — Uitenhagen prom. bon. spei. 
(Krauss.) 
Differt ab H. capensi magnitudine, spira papillata, anfrac- 
tibus minus convexis, basi magis inflata. 
288. Helix Indica Pífr. — T. perforata, orbiculato- 
convexa, solidiuscula, superne confertim coslulato-striata, lineis 
impressis conferlis granulato-decussata, unicolor fulva; anfr. 5'/, 
planiusculi, ullimus basi convexior, laevigatus, infra carinam 
lineis. nonnullis impressis, concentricis notatus; apertura angu- 
lato-lunaris; perist. rectum , album, margine columellari subin- 
crassato, superne breviter reflexo. 
Diam. 22, alt. 11 mill. — Montes Nilagirici Indiae orientalis. 
(Coll. Cuming.) 
