286 
HELIX §. 00 , 
anfr. iVa vix convexiusculi, ultimus obsolete angulatus, basi pla- 
niusculus; apertura perobliqua , rotundato-lunaris; perist. intus 
castaneo-labiatum, marginibus conniventibus, supero parum ex- 
panso, basali dilatato, reflexo, appresso. — Diam. maj. 15, min. 
12 / 2 , ait. 8/2 mill. (Mus. Cuming.) 
Helix phaeogramyna Pfr. Symb. III. p. 72. 
Habitat . . . ? 
^ 747. H. serpentina Ferussac. 
T. obtecte perforata, globoso -depressa, glabriuscula, alba, 
serialim fusco -maculata et signata; anfr. i'/* convexiusculi, ulti- 
mus antice descendens; macula umbilicalis brunnea; apertura late 
lunaris; perist. patulum , albo-labiatum. — Diam. maj. 17, min. 
15, ait. 9 mill. (CoIL Nr. 453.) 
Helix serpentina (Hclicogena) Fer, pr. 64. Ilist. t 40. f. 7. 
— — ■ Lam, 63. p. 83. cd. Dh. p. 58. 
— — Mich. compl. p. 21. t. 14. f. 14. 15. 
— — Rossm. lY. p. 9. f. 239. 
— — Chemn, ed. II. Helix N. 41. t. 9. f. 3 — 6. 
— muralis var. Cantr, Malae, p. 109. 
/9. Major, anfr. 5, interrupte fasciata: diam. maj. 22, min. 18, ait. 
12 mill. (Spec. ) 
Helkc serpentina var. Rossm. IV. f. 240. 41. 
— hospitans Bonelli in coli. 
— undulata Mich. compl. p. 22. t. 14. f. 9. 10. 
— Magnettii Canti*. Malae, ji. 108. 
y. Nigricanti-marniorata, fasciis confluentibus, strigis fulminatis junctis : 
diam. maj. 20, min. 17, ait. 11 V 2 mill. (Spec.) 
Helix serpentina var. Rossm. IV. f. 242. 
— marmorata Collect. Nec Fer. 
d. ? Helix Carae. Ganlr. Mal. mcd. p, 108. t. 5. f. 7? 
Habitat in Italia, a prope Pisa ot Livorno, fi in Sardinia, d (?) ad 
Capoterra prope Cagliari (Canlr.). 
z' 
748. H. muralis Mtiller. 
T. obtecte perforata, subdepressa, superne valide rugoso- 
costata, albida, fusco-maculata, basi obsoletius costata, unicolor, 
alba; anfr. 47» convexiusculi, ultimus antice deflexus ; apertura 
perobliqua, transverse subovalis, intus fusca; perist. albo-labia- 
tum, acutum, marginibus vix .conniventibus, dextro expanso, 
*) T. orbicuiato-conve.xa, depressiuscula, imperforata, glabra, lutescente, 
vermiculata, maculis fuscis serialibus angulatis picta; spira prominula aut sub- 
plana; apertura ovato-lunata , alba, macula rosea umbilicali insignita; labro 
margine reflexo; anfr. 5. — Alt. 8 Yo , diam. 11 lin. (Cantr. I. c.) 
