233 
419a. Helix Paradensis Pfr. 
T. anguste umbilicata, depresso-turbinata, solidula, su- 
perne arcuato-striata, lineisque spiralibus sub lente conspi- 
cuis sculpta, lutescenti-cornea; spira conoidea, vertice mi- 
nuto; anfr. 5 convexiusculi, ultimus latus, rotundatus, subtus 
radiato-striatus, nitidior; apertura obliqua, rotundato-lunaris, 
intus submargaritacea; perist. simplex, rectum, marginibus 
vix convergentibus, columellari superne subdilatato. — Diam. 
maj. 20, min. 17, alt. 12 mill, 
Habitat Parada reipublicae mexicanae, (Salle.) 
423a. Helix mendicaria Pfr. 
T. medioeriter umbilicata, conoideo-semiglobosa, soli- 
dula, striata et sub lente breviter pilosa, cornea; spira co- 
noidea, vertice subtili, nitido; anfr. 41/, turgidi, ultimus vix 
descendens; apertura parum obliqua, lunato-subeircularis; 
perist. simplex, rectum, marginibus convergentibus, colu- 
mellari vix dilatato, non reflexo. — Diam. maj. 8, min, 7, 
alt. 42/, mill. 
Hab. in intimis regni Tunetani. (Tristram.) 
517a. Helix Carmeliensis Pfr. 
T. anguste umbilicata, depressa, tenuis, sublaevigata, 
pellucida, cornea, rufo indistincete radiata; spira convexa; 
anfr. 41/, convexiusculi, lente accrescentes, ultimus rotun- 
dafüs, non descendens; apertura .obliqua, lunaris; perist. 
simplex, rectum, marginibus distantibus, columellari superne 
vix dilatato. — Diam. maj. 31/,, min. 3, alt. vix 2 mill. 
(Mus, Cuming. et Coll, Pfr, nr. 1222.) 
Hab. in monte Carmel. 
526a. Helix Batesi Pfr. 
T. umbilicata, depressa, tenuis, dense et oblique pli- 
catula, cornea, plieulis albidis; spira convexa, parum elata; 
anfr. 5 convexiusculi, regulariter acerescentes, ultimus non 
descendens, subdepressus, basi convexior; umbilicus latus, 
1/, diametri subaequans; apertura diagonalis, rotundato- 
lunaris; perist. simplex, rectum, margine basali arcuato, ad 
