LL NEA IL. 
Testa sub eodem nomine a Cl. Férussac t. 63 A. f. 1. de- 
lineata ad aliam speciem referenda videtur, praeserlim peristo- 
mate late expanso et forma discrepantem. — Num haec varietas 
Helicis Gaberti (imperforatae) ? 
334. Helix Troscheli Pfr. — T. perforata, globoso- 
depressa, confertim costulato -striata, coloribus pervariabilis ; 
spira subelevata, obtusa: anfr. 4!/,— 5 convexiusculi, ultimus 
vix descendens; apertura obliqua, lunato-orbicularis; perist. acu- 
tum, intus callosum, expansum, marginibus subconniventibus, 
columellari dilatato, reflexo, perforationem semioccultante. 
Diam. 14— 14'/,, alt. 9—9!/, mill. — Patria? —  Varie- 
lates mihi notae sunt sequentes: 
c. Pallide fulva, castaneo-strigata vel fasciata, perist. 
TOSseo. 
D. Albida, fasciis latis cinereis ornata, margine columellari 
peristomatis purpurascente. 
y. Castanea, linea. 1 peripherica pallida, perist. roseo. 
Ó. Alba, fasciis nonnullis castaneis ornata, fauce rosea. 
&. Spira elaliore, pallide flava, albo-subfasciata: diam. 13, 
alt. 10 mill. (Coll. Cuming.) 
335. Helix dichroa Pfr. — T. umbilicata, globoso- 
depressa, lenuis, oblique striata, lineis conferlis sub lente de- 
cussata, pallide cornea, diaphana, cingulis permultis, opacis, 
albis, interruptis ornata; anfr. 6 convexiusculi, ultimus antice 
deflexus, basi convexus: unbilieus angustus; apertura lunato- 
orbicularis, intus concolor; perist. tenue, marginibus conniven- 
libus, supero expansiusculo, basali brevissime reflexo, columel- 
lari nitido, dilatato, fornicatim reflexo. 
Diam. 15!/,, alt. 10!/, mill. — Patria? 
336. Helix circulus Pfr. — T. umbilicata, depressa, 
solida, ruguloso -stiriata, nitidula, alba; spira vix elevata, non 
obtusata; anfr. 5!/, convexi, ultimus subangulatus, non des- 
cendens; umbilicus mediocris, pervius; apertura vix obliqua, 
parvula, lunato- orbicularis, intus callo subcirculari coarctata : 
perist. breviter expansum, marginibus conniventibus. 
Diam. 19, alt, 9 mill. — Patria? (Coll. Cuming.) 
337. Helix campesina Ezquerra. (Teste Bronn catal. 
1845.) — T. umbilicata, subgloboso-depressa, striis Inerementi 
distinctis et lineis profunde impressis confertim reliculata, griseo- 
carnea, fusco obsolete fasciata et maculata; spira brevis, ob- 
iusa; anfr. 4!/, vix convexiusculi, ultimus inflatus, antice subito 
deflexus, basi juxta umbilicum mediocrem, non pervium sub- 
compressus; aperlura perobliqua, lunato-ovalis; perist, acutum, 
