68 HELIX §. 28. 29. 



subtus convexo; aperlura magna, late lunata; perist. simplici, 

 acuto, marginibus callo tenuissimo junctis, columellari arcuato, 

 superne breviter reflexo, perforationem inconspicuam fere te- 

 gente. — Diam. maj. 20, min. 16, axis 10 mill. » (Bens.) 



Helix ceraria Bens. in Ann. and Mag. 2d. ser. XII. p. 91. 

 — — Reeve Conch. ic. n. 1291. t. 186. 



Nanina ceraria (Hemiplecta) Pfr. Vers. p. 121. 

 Habitat in agris altis insulae Ceylon «Horton Plains» dictis 

 (Layard). 



* 



407. rariolosa Pfr. (Coll. 172. — Rv. n. H30. t. 168. 



— Ch. ed. nov. III. p. 472. — Rotula Pfr. Vers. 

 p. 131. — Nanina variolosa Graij Cat. Pulm. 

 p. 141.) Mon.III. p. 79. 



408. Loveni Krauss. [liv. n. 195. t. 43 auct. — Ily- 



gromia P[r. Yers. p. 127.) - - - 79. 



409. H. biciliata Pfr. 



T. perforata, convexo-lenticularis, tenuis, pellucida, cornea, 

 oblique plicata , bicarinata : carinis pilis longis ciiiatis ; spira 

 parum elevata, vertice subtili; anfr. 47^ scalares, ultimus antice 

 non descendens, basi vix convexus; apertura subobliqua, de- 

 presse securiformis; perist. simplex, rectum, marginibus sub- 

 parallelis, columellari vix reflexiusculo. — Diam. maj. 77^, 

 min. 6V<j, alt. SVa mifl. (Coll. Skinner.) 



Helix hiciliata Pfr. in Proc. Zool. Soc. 1855. p. 112. 



Nanina hiciliata (Hemiplecta) Pfr. Vers. p. 121. 



Ilabitat in insula Ceylon. 



§. 29. 



410. ravida Bens. (Coll. 173. — Rv. n. 398. t. 76. — 



Pomatia Pfr. Vers. p. 133. — H. helvacea Pliil. — 



Ad. Gen. p. 188.) Mon. III. p. 80. 



411. subgranosa Guill. -J- - I. - 83. 



412. Knysnaensis Pfr. (Rv. n. 403. t. 77. — Ch. ed. 



nov. III. p. 343. — Pomafia Pfr. Vers. p. 133.) . . - III. - 80. 



413. H. lucubrata Say. 



T. umbilicata , conoideo-globosa , strialula , tenuiuscula, 

 diaphana , nilida , corneo-rufescens ; spira convexo-conoidea, 

 obtusa; sutura subcrenulato-marginata; anfr. 5 convexiusculi, 

 celeriter accrescentes, ultimus inflatus, non descendens; um- 

 bilicus angustissimus, vix pervius; apertura obliqua, lunato- 

 rotundata, intus pallide coerulescens; perist. simplex, rectura, 

 marginibus convergentibus , columellari superne triangulatim 



