HELIX §. 19. 93 



392. lucubrata Say. •{■ Mon. I. p. 98. 



393. Zonites Pfr - - - 99. 



394. H. fricata (Nanina) Gould. •{- 



T. rotata, tenuis, viridi-cornea , superne convexiuscula, 

 superne liris crebris radianlibus interdum furcatis insculpla, 

 inferne iilabrata , umbilico lato, profundo, infundibuliformi per- 

 forata; anfr. 4Y^; sutura impressa; apertura rotundata; labrum 

 simplex. — Diam. YiO) ^xis %". (G.) 



Nanina fricata Gould Exped. shells 1851. p. 32. 

 Habitat Illawara, New-Soulh-Wales (Drayton). 



395. H. immunda Adams. 



T. umbilicata, depressa, tenuis, irregulariter costulato- 

 striata, vix nitidula, diaphana, pallide cornea vel virescens; 

 spira vix elevata; sutura profunda; anfr. SVaConvexi, ad su- 

 turam tumidi, ullimus vix descendens, peripheria obsolete an- 

 gulatus; umbilicus % diametri subaequans; apertura obliqua, 

 late lunaris; perist. simplex, tenue, acutum, margine columel- 

 lari dilatato, patente. — Diam. maj. I2V2, min. 11, alt. 6 mill. 

 (Mus. Guming.) 



Helix immunda Adams Contrib. to Conchol. N. 3. p. 36. 

 Habitat in insula Jamaica. 



Obs. Speciminibus non perfectis Hel. umhrosae persimiiis. 



396. H. rufula Pfr. 



T. anguste umbilicata, conoideo-depressa, tenuis, confertim 

 costulata, diaphana, parum nilidula, rufula; spira conoideo- 

 elevata; sutura impressa; anfr. 4^2 parum convexi, ultimus 

 non descendens, basi planiusculus; apertura parum obliqua, 

 rotundato-Iunaris ; perist. simplex, acutum, rectum, margine 

 columellari superne dilatato, subreflexo. — Diam. maj. IOV27 

 min. 9^2, alt. 6 mill. (Mus. Cuming. inter H. immundam Ad. ) 



Helix rufula Pfr. in Zeitschr. f. Malak. 184 9. p. 160. 

 Habitat in insula Jamaica. 



397. Cypria Pfr. (Coli. '179. — Chemn. ed. nov. II. 



p. 94. — Hyalina Alb. p. 67.) Mon. I. p. 99. 



398. H. dumcticola Bcnson. 



T. umbilicata, depressa, tenuis, superne costulato-slriata, 

 subtus laevior, corneo-albida, epidermide lutea caduca, quasi 

 lubrica, induta; spira convexiuscula, apice obtusa; sutura im- 

 pressa; anfr. 3^2 — 4 convexiusculi, ultimus rapide accrescens, 

 subdepressus, basi convexus ; umbilicus latiusculus, profundus; 



