324 
HELIX §. 61. 
apertura lunato -ovalis, intus concolor; perist, simplex, late ex- 
pansum, album, margine supero antrorsum subarcuato, basali 
reflexo, columellari dilatato, reflexo, perforationem fere occul- 
tante. — R. a. = o : 7. — Diam. maj. 25, min. 22 , ait. 25 mill. 
(Coli. Nr. 513.) 
Helix pileus MillL verm. II. p. 80. N. 277. 
— — Bom test. p. 380. t. 1 6. f. 1 1 . 1 2. 
— (Helicigona) Fer. pr. 14t. Hist. t. 63 A. f. 3 — 8. 
— — Lam. 78. p. 87. ed. Dh. p. 64. 
— — Sow. Gonch. Man. f. 278. 
— — Chemn. ed. n. Ilclix N. 123. t. 21. f. 1 — 3. 
— pileata Gmel p. 3639. N. 173. 
Trochus pileus Chemn. IX. P. 2. p. 148. t. 122. f. 1046 — 48. 
Geotrochus pileus Swains. Zool. III. II. t. 9 1 . 
— — Beck iud. p. 48. 
/9. Unicolor, isabellina, basi castanea, linea suturali castanea ornata. 
(Mus. Cuming.) 
y. Major, anfr. 7, rubcllo-cornea, fasciis opacis albidis ornata, perist. 
nigro: diam. maj. 29, min. 24, ait. 29 mill. (Spcc.) 
Helix pileus mr. Chemn. ed. II. Helix t. 40. f. 5. 
Habitat in India orientali (Chemn.), in insula Amboina (Hinds). 
847. H. pileolus Ferussac. 
T. perforata, trocbiformis, apice obtusiuscula, irregulariter 
rugoso-striata , subdiapbana, alabastrina; anfr. 7 vix convexius- 
culi, ultimus basi carinatus, subtus vi.x convexior; columella bre- 
vis, subverlicalis; apertura depressa, subquadrangularis ; perist. 
simplex, margine dextro breviter expanso, basali stricliusculo, 
reflexo, columellari roseo, perdilatalo, perforationem non occul- 
tante. — Diam. maj. 20 '/ 2 , min. 18, ait. 2172 mill. (Spec. coll. 
Mcyer Hamburg.) 
Helix pileolus (Helicigona) Fer. pr. 142. Hist, t. 63 A. f. 2? 
— — Wood suppi, t. 7. f. 58. 
_ _ pfr, Svmb. UI. p. 75. 
_ _ Chemii. cd. II. Helix N. 457. t. 76. f. 1 4 — 1 7 ? 
Carocolla Pileolus Gray in Ann. of Phil. New ser. IX. p. 412. 
Geotrochus pileolus Beck ind. p. 47. 
Habitat . . . ? 
Obs. H. pileolus Fer. t. 63 A. f. 1 ad H. Gaberti (Nr. 612.) potius refe- 
renda videtur. 
S4S. H. Sagraiana Orbigny. 
T. anguste umbilicata, subtrochiformis, liris permultis, con- 
centricis, acute elevatis cincta, solidiuscula, albida; spira conoi- 
