106 THEBA CARTUSIANA. 
Italy —Menaggio and Lecco, Lombardy, but not commonly, Sept. 1886, J. R.le B. 
Tomlin. Bellagio, Lake Como ! Rey. 8S. Spencer Pearce. 
Sub-var. casta Monterosato, Como, Lombardy ! Marquis Monterosato. 
Portugal—The larger opal-white variety recorded by Morelet from Oporto, and 
referred by Reeveto Helix cantiana, really belongs to this species, as I was assured 
by M. Morelet himself. 
Var. lutescens Moquin-'l'andon, Hist. Moll. France, 1855, vol. i1., p. 207. 
The var. luteseens of Moquin-Tandon is described as yellowish. 
The var. /utescens of Locard is described as shell yellowish, peristome brown 
interiorly, thin and reflected. 
CONTINENTAL DISTRIBUTION. 
Germany— Mentioned by Clessin as occurring, but without citing precise locality. 
France—L’Isle Adam, Seine, and also on the banks of the Marne, Seine et Marne 
(Paseal, Moll. Haute Loire, 1873, p. 38). Dr. Grateloup records this form as var. 2 
from Dax, Landes ; and Dubrueil from Herault. 
Italy—A_ flaxen-coloured form recorded from S. Ciro, near Palermo, and the 
Madonie, Sicily, by Benoit. 
los} 
Var. fuseceseens Pascal, Moll. Haute Loire, 1873, p. 3 
Helix carthusiana var. littoralis Stossich. 
SHELL entirely brown. 
The var. littoralis may perhaps be regarded as a some- 
what paler form of this variety. Fic. 160.—7. cartusiana 
ENGLAND. var. dzttoralis Stossich, 
Kent E.—A near approach to this variety was found by AE Te 
’ : a 
Mr. W. E. Brady at Seabrook near Hythe, Sept. 1913 ! osato, enlarged one this 
CONTINENTAL DISTRIBUTION. 
France—L’Isle Adam, Seine (Pascal, |.c.); and Aix-les-Bains, Upper Savoy ! 
Rev. 8. S. Pearce. 
Austro-Hungary—Sub-var. littoralis, Monfaleone, Goritz (Marq. Monterosato). 
Var. eneye Nervain. 
Helix encye Servain, Mal. Lac. Balaton, 1881, p. 31. 
The var. eneyee is very globosely swollen, of a subearneous violaceous tint, 
tending to bluish. Diam., 15 mill. ; alt. 10 inill. 
CONTINENTAL DISTRIBUTION. 
Austro-Hungary—Banks of Lac Balaton between Fiired and the peninsula of 
Tihany, Hungary. 
VARIATION IN COLOUR OF.APERTURE. 
Var. rufilabris Jeffreys, Brit. Conch., 1862, vol. i., p. 193. 
Helix rufilabris Jeffreys. Linn. Trans., 1830, vol. xvi., p. 509. 
Helix archimedea Benoit, lil. Test. Estram. Sic., 1859, p. 164. 
Helix cartusiana var. minor L. Pfr., Monog. Hel. Viv., 1868, vol. v., p. 198. 
The var. rufilabris Jeffreys is described as shell smaller, with the inside lip and 
rib of a reddish-brown colour. 
The sub-var. rufilabris Caziot is small, milk-white in colour, more globose and 
malleate. The sub-var. rufilabris of Pascal is smaller than the type, very thin, with 
‘ puke 
Fic. 161. Fic. 162. Fic. 163. 
Fic. 161.—Frontal aspect ; and Fic. 162.—Basal aspect of //. »u/idabris (after Dupuy). 
Fic. 163.—Dorsal aspect of 7. archimedea, Syracuse, Sicily, Marquis Monterosato, enlarged one-third. 
a red apertural rib; and the sub-var. rufilabris of Germain is described as a distinet 
species, differing from 7. cartusiana by its uniformly smaller size, more globose 
form, more elevated spire, rounder mouth, and larger body whorl, though less 
