m. A 
inerassatum , reflexinsculum, marginibus callo junctis, dextro 
breviter arcuato, columellari dilatato, irregulariter et obsolete 
denticulato. 
Diam. 54, alt. 20 mill. — Ius. Cuba. (Petit in coll. Cuming.) 
B. Minor: diam. 44, alt. 24 mill. 
An var. H. imperatoris dentibus obsoletis ? 
330. Helix exceptiuncula Fér. pr. 176. Hist. t. «0. 
f.1. L3 A. f. 1. — T. imperforata, depresso-globosa, glabra, 
alba, fasciis rufis, nigricantibus et flavis varie cingulata; spira 
subelevata, apice depressa, plana; anufr. 5 convexi, ultimus 
antice inflatus, ad aperturam perobliquam, lunato - rotundatam 
subconstrictus; perist. album , tenue, late reflexum , marginibus 
conniventbus, columellari intus dente prominente instructo. 
Diam. 27, alt. 16 mill. —  Archipel. ins. austral. 
Variat magnitudine. Alia specimina coll. Cuming. multo 
minora. 
331. Helix prunum Fér-pr. 34. Hist; t-20. "E 4. 8. 
Wood suppl. t. Y. f. 38. —  H. argillacea Grilf. anim. kingd. 
t. 28. f. 2. — T. umbilicata, subdepresso- globosa, fulva vel 
rufa, nitida, oblique striata, obsolete granulata; spira brevis; 
anfr. 6 planuli, ultimus ventrosus, basi inflatus, antice parum 
descendens; apertura lunato-orbicularis, intus nitida, rubescens; 
perist. album, breviter expansum, margine columellari superne 
dilatato, umbilicum angustum semioccullante. 
Diam. 30, alt. 19 mill. — Australia. (Coll. Walton.) 
332. Helix labium Fér. t. 64. f. 6. — 3T. anguste 
umbilicata, conoidea, oblique striatula, nitida, tenuis, pallide 
fulva, rufo-unicingulata; spira late conoidea, apice acuta; anfr. 
6 convexiusculi, ultimus depressiusculus, basi subplanus; colu- 
mella brevis, obliqua; aperlura angulato -lunaris, intus albida, 
fascia pellucenle; perist. tenue, latissime expansum, reflexum, 
album, latere dextro angulatum, margine columellari umbilicum 
semioccultante. 
Diam. 38, alt. 23 mill. — Ins. Mindanao. 
333. Helix pileolus Fér. t. 63.A. f. 2? —-T. per- 
forata, trochiformis, apice obtusiuscula, irregulariter rugoso- 
siriafa, subdiaphana, alabastrina; anfr. 7? vix convexiusculi, 
ultimus basi carinatus, subtus vix convexior; columella brevis, 
subverticalis; apertura depressa, subquadrangularis; perist. sim- 
plex, margine dextro breviter expanso, basali strictiusculo, 
reflexo, columellari roseo, perdilatato, perforationem non occül- 
tante. 
Diam. 20!'/,, alt. 21!/, mill, — Habitat. . .? 
