HELIX §. 19. 93 



392. lucubrata Say. •[• Mon. I. p. 98. 



393. Zonites Pfr. - - - 99. 



394. H. fricata (Nanina) Gould. f 



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

 superne liris crebris radiantibus interdum furcatis insculpta, 

 inferne alabrata, umbilico lato, profundo, infundibuliformi per- 

 forata; anfr. iV^: sutura impressa ; apertura rotundata; labrum 

 simplex. — Diam. ^/^o, axis Vg ". (G.) 



Xanina fricata Goidd Exped. shells ^851. p. 32. 

 Habitat lilawara, New- South-Wales (Drayton). 



395. H. immunda Adams. 



T. umbilicata, depressa, tenuis, irregulariter costulato- 

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

 spira vix elevata; sutura profunda; anfr. 5^2 convexi, ad su- 

 turam tumidi, ullimus vix descendens, peripheria ob^olete an- 

 gulatus; umbilicus Vo diametri subaequans; apertura obliqua, 

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

 lari dilatato, patente. — Diam. maj. 12^2? ^^"^- ^^5 ^lt. 6 mill. 

 (Mus. Cuming.) 



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

 Habitat in insula Jamaica. 



Obs. Speciminibus non perfectis Hel. umbrosae persimiHs. 



396. H. rufula Pfr. 



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

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

 elevata; sulura 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. 10^2» 

 min. 9V27 f*lt- 6 mill. (Mus. Cuming. inter H. immundam Ad. ) 



Helix rufida Pfr, in Zeitschr. f. Malak. 1849. p. 160. 

 Habitat in iusula Jamaica. 



397. Cypria Pfr. (Coll. ^179. — Chemn. ed. nov. II. 



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



39$. H. dumeticola Benson. 



T. umbilicata, depressa, tenuis, superne coslulato-striata, 

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

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

 pressa; anfr. 8^2 — 4 convexiusculi, ultimus rapide accrescens, 

 subdepressus , basi convexus; umbilicus latiusculus, profundus; 



