40 
HELIX §. 8. 9. 
obscurioribus nubeculati; carina albida; labrum simplex, rectum, 
apertura subletragona. — Diam. 3 — 5, ait. 2 mill. (Porro ) 
Helix sardiniemis Porro in Revue zool. 1838. p. 225. 
— — Villa disp. syst. p. 54. 
Habitat in Sardinia. 
Obs. Descriptio incompleta An huc referenda? An forma adulta ? 
§..9. 
H. cafifra Ferussac. 
T. perforata, inflata, subdepresso-globosa' 5 i^nuis, fragilis, 
costulato-slriata, viridula, fusco- viridi irregulariter strigata ; spira 
brevis, obtusa; anfr. 4 convexiusjculi, ultimus subdepressus; aper- 
tura niagna, lunato -ovalis , intus margaritacea; perist. tenue, 
acutum , simplex , marginibus callo tenui junctis , columellari 
reflexo, perforationem semioccullante. — Diam. maj. 51, min. 40, 
ait. 30 mill. (Mus. Cuming.) 
Helix caffra (Helicophanta) Fer. pr. 3. Hist. t. 9 A. f. 8. 
— — Wood suppi, t. 7. f. 36. 
— — La)n. ed. DIi. 168. p. 107. 
— — Chemn. ed. II. Helix N. 444. t. 74. f. 1 —3. 
Helicoj)hanta cafra Beck ind. p. 46. 
Habitat in Promontorio bonae spei. 
65. H. nicobarica Chemnitz. 
T. perforata, sinislrorsa, solida, globulosa, oblique striata, 
castaneo -rufa, ad peripheriam, suturam ct basin albo-zouata; 
spira brevis, obtusa; anfr. sy* convexiusculi, ultimus antice 
descendens, basi inflatus; apertura rotundato-lunaris, intus con- 
color ; perist. simplex , obtusum , album , margine columellari 
reflexiusculo, perforationem fere tegente. — Diam. maj. 37, min. 
30, ait. 27 mill. (Mus. Gray.) 
Helix (pomaiia contraria) iticobarica Chemn. IX. P. 1. p. 79. t. 108. 
f. 911. 12. 
— 7iicoba7'ica Desh. in Guer. mag. 1839. t. 3. 
— — Chemn. ed. II. Helix N. 22. p. 49. t. 6. f 6. 7. 
Habitat in insulis Nicobaricis. 
^ 60. H. semirugata Bcck. 
T. perforata, globosa, teauiuscula, pallide fulvescens, striis 
incrementi lineisque impressis concentricis superne usque ad 
peripheriam anfractus ultimi subdccussala; anfr. 5 convexiusculi, 
ultimus magnus, inflatus; apertura lunato-subovalis; perist. sim- 
