120 
HELIX S. 23. 24. 
anterius subangulata ; perist. acutum, fragile. — Diam. 7, ait. 
4 raill. (Guill.) 
llelix Auhlandica Le GitUlou in Revuc zool. 1842. p. 1 40. 
Habitat in insulis Aukland. 
309. H. solarium Quoy. 
T. umbilicata, orbiculato-pyramidata, acute carinata, striata, 
diaphana , fulva; spira brevis, conica, apice obtusa; anfr. 7 ex- 
sertiusculi, plani, ultimus basi planulatus, ad umbilicum medio- 
crem, pervium angulatus; apertura depressa, securiformis ; perist. 
simplex, acutum, — Diam. maj. 9, min. 8, ait. 3% mill. (Goll. 
Nr. 162.) 
Helice solarium Quoy et Gaim. AslroL II. p. I3f. t. M. f. 24 — 29. 
— — Lam, ed. Dh. 189. p. 119. 
— — Chemn. ed. II. Helix N. 546. t. 87. f. 21 — 24. 
— Fer. hist. t. 63 B. f. 6. 7. 
Caracolla solarium Beck ind. p. 31. 
Habitat ad portum Carteret Novae Hiberniae (Quoy, Hinds). 
310. EL arcuata Ffi*. 
T. umbilicata, orbiculato-convexa, tenuis, pellucida, pallide 
cornea, confertim et regulariter arcuato-plicata; spira late cono- 
idea, apice obtusiuscula; anfr. 6 vix convexiusculi , carina acuta, 
serrulata marginati, ultimus circa umbilicum magnum, fere cylin- 
dricum subcompressus ; apertura angulato-lunaris , lata; perist. 
simplex, acutum, margine columellari brevi, verticali. — Diam, 
maj. 3 / 2 , min. 5 , ait. mill. (Mus. Cuming.) 
Helix arcuata Pfr. in Proc. Zool. Soc. 1846. p. 1 10. 
Habitat in provincia Gagayan insulae Luzon. (Guming.) 
311. H. occanica Le GuiUou. ^ 
T. orbiculato-convexa, carinata, umbilicata; anfr. 8 albidi, 
maculis spadiceis angulato -flexuosis tenuissime trausversim striati, 
depresso-plani, submarginati ; apex obtusus, fuscus; basis de- 
presso-concava ; umbilicus parvus, profundus, acute marginatus; 
apertura angusta, antice subacuta. — Diam. 5 / 4 , ait. 3 mill. (G.) 
Helix oceanica Le GuilL in Revue zool. 1 842. p. 140. 
Habitat in insula Taiti. 
§. 24. 
312. H. Chevalierii Soulcyct, -f 
T. orbicularis, umbilicata, tenue carinata, conico-depressa, 
fusca, ad carinam castaneo-fasciata , subtus convexa, olivacea; 
anfr. 6 obsolete rugulosi, basi marginati; apertura ovata, obliqua, 
