HELIX §. 41. 42. 
199 
marginibus approximatis, basali rellexiusculo. — ^.Diam. maj. 7, 
min. C, ait. 4/2 mill. (Coli. Meiike.) 
Helix candisata Mke iii Pfr. Symb. III. p. 70. 
— — Chemn. ed. 11 . Helix N. 646. t. 99, f. 34 — 36. 
Habitat in insula Madera? 
Obs. Differt a praecedenle tosta superno ruditor. costata , basi graimlata, 
anfractibus couve.xis, elc. 
§• 42 . ' 
517. H, canaliculata Pfr. -f 
T. orbiculato -ovata, latissime umbilicata, depresso -coii- 
vexiuscula, tenuissima, fragilis, subhyalina, epidermide luteo- 
fuscescentc, subtus luteo- viridescente; spira obtusa; anfr. 5 con- 
vexi, sutura profunda, canaliculata discreti, oblique, creberrime, 
profunde et undulatim striati: striis ad paginam inferiorem rugae- 
iormibus, laxis, irregularibus, tenuissimis, creberrimis ac con- 
centricis sub lente perspicuis; umbilicus largus, dilatatus usque 
ad apicem; apertura ovata, albida, retlexiuscula; labrum superue 
extus depressum. — Diam. 47, ait. 20 rnill. (Guill.) 
Helix canaliciduta Pfr. Symb. lll. p. 23. 
— undulata Le GuilL in Revue zool. 1845. p. 187. Nec Fer. 
Habitat rarissima ad Triton-Bay Novae Guineac. 
518. 
H. lasata Fcrussac. 
T. late umbilicata, orbiculalo-depressa, tenuis, ^confertissime 
ruguloso-striata, superne fulvo - rufescens , basi irnide fulvo- 
virescens, lineis concentricis confertissimis minute decussata; 
spira vix elevata; anfr. 4/2 — 5 convexiusculi, rapide accrescen- 
tes; ultimus latus, depressus, antice descendens; apertura sub- 
borizontalis, ampla, transverse ovalis, intus margaritacea ; perist. 
subsimplex , margine supero tenui , vix expansiusculo, basali sub- 
calloso, rellexo. — Diam. maj. 4o, min. 3o, ait. 16 inill. (Goll. 
Nr. 301.) 
Helix laxata fllelicella) Fer. pr. 181. Ilist. l. 74. f. 3. 
— — Chemn. ed. II. Heli.v N. 595. t. 93. f. 11 — 13. 
— pcnwiana Lam. 41. p. 76. cd Db. p. 45. 
— Deshayesii Ant. Verz. p. 38. N. 1411. 
MacrocyeJis peruviana Beck ind. p. 24. 
/y. Maxima: diam. maj. 60, min. 48, ait. 22 luill. (Spcc.) 
Helix Banksii Cuming in sebed. 
— laxala var. Chemn. 1. c. t. 93. f 9. 10. 
y. Junior; 11. undjilicata Anton Verz. p. 38? 
Habitat in Cdnlc, nec in Peruvia (Cuming). 
