V. 
IDieagnoses 
specierum novarum vel minus cognitarum. 
( VAR? ns) 
281. Helix crispata Fér. pr. 26. Hist. t. 25. f. 7. 8.— 
T. imperforata, globosa, tenuiuscula, substriata, nitida, fusco- 
lutescens, lineis brunneis confertis, concentricis, undulato-crispis 
elegantissime. circumdata ; spira brevis; anfr. 4!/, convexi, ulti- 
mus inflatus; columella arcuata, dilatata, alba; apertura lunato- 
orbiculata, intus lactea; perist. simplex, rectum. 
Diam. 31, alt. 21 mill. — Haiti. 
p. Major: diam. 37, alt. 28 mill. (Coll. Cuming.) 
282. Helix Natalensis Pfr. — T. imperforata, sub- 
globosa, tenuis, laevigata, subdiaphana, corneo albida, lineis 
fuscis irregulariter radiata; spira elevatiuscula, obtusa; anfr. 4 
vix convexiusculi, ultimus inflatus; columella subverticalis, fili 
formis, profunde intrans; apertura lunato-rotundata, intus fulva, 
nitida; perist. simplex, acutum. 
Diam. 12, alt. 9 mill. — Port. Natal. (Menke.) 
283. Helix glauca (Nanina) Bens.? — T. subperfo- 
rata, orbiculato-conoidea, glaberrima, nitida, glaucescenti - hya- 
lina; spira elevata, acutiuscula; anfr. 6!/, convexiusculi, ultimus 
multo latior, rotundatus; apertura subverticalis, lunaris; perist. 
simplex, rectum, margine columellari vix dilatato, perforationem 
fere claudente. 
Diam. 12!/,, alt. 7?/, mill. —  Almorah Bengaliae. (v. d. 
Busch.) 
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