326 
HELIX S. 61. 
planiusculi, ultimus acute carinatus, basi convexiusculus; colu- 
mella oblique descendens, dilatata; apertura subrhoinbea; perist. 
simplex, late expansum, margine columellari dilatato, arcuatim 
reflexo, umbilicum occultante, nec obtegente. — Diam. maj. 28, 
min. 23, ait. 18 raill. (Mus. Cuming.) 
Carocolla grata Midi, in Guer. mag. 1831. l. 9. 
Helix grata Pfr. Symb. II. p. 81. 
— acuta Quoy ct Gai/n. Astrol. 0. p. 98. t. 8. f. 1—4. 
— — Lain. ed. Dh. 198. p. 123. 
— ... Fer. hist. t. 63 B. f. 1 — 3. 
Habitat ad portum Dorey Novae Guineae (Quoy). 
T. perforata, orbiculato-conoidea, laevigata, alba vel fulvida, 
lineis numerosis rufis cincta; spira acuta; anfr. 6 planiusciJi, ulti- 
mus obsolete angulatus; apertura lunari -elliptica; perist. album, 
reflexum, margine columellari dilatato, perforationem semitegente. 
— Diam. maj. 32, min. 26, ait. 20 mill. (ex ic.) 
Helix multizona Less. voy. de Ia Coq. p. 308. 
— multizonata Lam. ed. Dh. 165. p. 106. 
— tenuiradiata Quoy et Gaim. Astrol. U. p. 101. t. 8. f. 8—10. 
— .... Fer. hist. t. 1 06. f. 3 — 5. 
Habitat ad portum Dorey Novae Guineae. 
T. auguste umbilicata, orbiculato-conoidea, apice obtusa, 
nitida, albicans, luteo-fusca vel rufo-castauea, zona rufa vel nigri- 
cante circumdata; anfr. 6 sensim accrescentes, convexiusculi , ul- 
timus basi plani usculus; apertura transverse ovata; perist. valde 
reflexum, intus nigricans vel roseum, margine basali strictiusculo, 
cum columellari dilatato, umbilicum fere tegente, angulum for- 
mante. — Diam. maj. 37, min. 29, ait. 25 raill. (ex ic. Quoy.) 
Helix lituus Less. voy de Ia Coq. p. 309. 
— — Lam. ed. Dh. 161. p. 104. 
— Ardouinii Desh. in Encycl. mdth. II. p. 266. 
— papuensis Quoy et Gaim. Astrol. II. p. 96. t. 7. f. 10 — 13. 
— .... Fd\ hist. t. 1 06. f. 6 — 9. 
Geotrochus papuensis Beck ind. p. 48. 
Habitat ad portum Dorey Novae Guineae. 
854. H. vitrea Fcrussac. 
T. umbilicata, depresso-conica, carinata, vitrea, nitida; anfr. 
4 planiusculi; apertura lunari -elliptica; perist. simplex, reflexum, 
S52. H. multizona Lesson. -f 
