HELIX §. 5^2. 
251 
Helix Norrisii Chemn. ed. II. Helix N. 267. t. 46. f. 1. 2. 
Habitat in insulis Luzon et Mindanao (Curaing), 
Obs. Intermedia interii, pulcherrimam et zoniferam, ab illa spira de- 
pressa et columella arcuata , ab altera columella excavata^ nec angulata distin- 
guenda. 
y 656. H, zonifera Sowerby. 
T. iniperibrata, subglobosa, tenuis, fulva, zonis variis opacis, 
lutescenli-albidis ornata , obsolete angulata; anfr. 4 convexi, su- 
premi depressi; columella plana, recta, elongala; apertura lunato- 
rotundata, intus nitida; perist. simplex, expansum, album , cum 
callo columellari angulatim junctum. — R. a. = 1 : 2. — Diam, 
maj. 40, min, 33, ait. 27 miii. (Coli. Nr. 389.) 
Helix zonifera Sow. in sched. Cuming. 
— — Pfr. in Proc. Zool. Soc. 1842. p. 85. 
— — Pfr. Symb. II. p. 42. 
— — Reeve Conch. syst. H. t. 165. f. 17. 
— — Chemn. ed. II. Helix N. 268. t. 46. f. 3. 4. 
/9. Tenuissima, luteo-virens, basi unicolor, ad peripherlam fascia lata 
nigricante et angustiore albida, superne fasciis pluribus albis inter- 
ruptis ornata. 
y. Rufo-nigricans, fasciis variis sordide albidis. 
(V. ‘Crassiuscula, ciunamoniea, fasciis lutescenti-albidis. 
f. Major, fulva, fascia nigricante , albido-maculata ad suturam, et la- 
tissima, medio alba, ad peripheriam. — Diam. maj. 46, min. 37, ait. 
33 raill, (Mus. Cuming.) 
Habitat in insulis Philippinis, u et fi Leyle, y et d Sarnar, t Min- 
danao (Cuming). 
Obs. Differt ab H. pulcherrima spira depressa, anfractu ultimo minus in- 
flalo, et columella neque excavata, neque denlaia. 
/ 657. 
H. decipiens Sowerby. 
T. imperforata, subglobosa, tenuis, laevis, non nitens, pel- 
lucida, fulva vel sulphurea, epidermide hydrophana alba strigata 
et fasciata; spira subelata; anfr. 4 rotundati; columella alba, sub- 
arcuata; apertura lunato-subcircularis, intus lactea; perist. expan- 
sum. — R. a- = 1 : 2. — Diam. maj. 35, min. 28, ait. 25 mill. 
(Coli. Nr. 390.) 
Helix decipiens Sow. in Proc. Zool. Soc. 1 840. p. 96. (exci. var. 
plur.) 
— - /yr. Symb. II. p. 27. 
— — Chemn. ed. II. Helix N. 265. f. 45. f. 5. 6. 
a. Ciniianiomea , albo-slrigata el medio unifasciata. (Mus. Cuming.) 
