HELIX §. 72. 181 



§. 72. 



1128. Muhlfeldiana Pfr. (Coll. 559. — Proc. 1852. 

 p. 156. — Ch. ed. nov. III. p. 393. — Macrocyclis 

 Pfr. Vers. p. 137. — H. rotabilis Bv. n. 361. 

 t. 70.) Mon.in. p. 157. 



1120. H. Cycloplax Benson. 



T, sublale umbilicata, depressa, solida, superne confertim 

 radiato-striata , striis distantioribus spiralibus subdecussata, 

 corneo-rufescens; spira vix elevata, obtusa; sutura vix im- 

 pressa; anfr. 5 planiusculi, sensim accrescentes, ultimus antice 

 dilatatus, non descendens, peripheria carinatus, supra carinam 

 convexiusculus , infra carinam fascia castanea ornatus, subtus 

 convexus, radiato-striatus, virenti-corneus; umbilicus Ys dia- 

 metri paullo superans; aperlura parum obliqua, subquadrato- 

 lunaris, intus albida; perist. obtusum, marginibus convergen- 

 tibus, supero recto, basali reflexiusculo, cum columellari trian- 

 gulatim dilatato, patente angulum obtusum formante. — Diam. 

 maj. 41, min. S^Va, alt. 17 mill. (CoU. Benson.) 



Helix Cycloplax Bens. in Ann. and Mag. 2d. ser. X. p. 348. 



— — Pfr. Mon. Hel. III. p. 636. n. 553*. 



— — Reeve Conch. ic. n. 1156. t. 171. 



— — (Zonites) Pfr. Vers. p. 127. 

 Zonites Cydoplax Gray Cat. Pulm. p. 153. 



Habitat in Himalaya Sikkimensi. 



11.30. Dclcssertiana Guill. •{• Mon. I. p. 202. 



1131. Hartmanni Pfr. (Coll. 560. — Rv. n. 489. t. 91. 



— Ch. ed. nov. II. p. 158. — Videna Pfr. Vers. 



p. 132. — Zo/u<es^ar/m. [Videna].4d. Gen.p. ■11 6.) - III. -157. 



1132. H. matura Pfr. 



T. umbilicata , conoideo-lenticularis , tenuiuscula , acute 

 carinata, striatula, saturate castanea; spira breviter conoidea, 

 vertice pallido, obtusulo ; sutura carina submarginata; anfr. 

 Sy^ vix convexiusculi, ultimus antice breviter deflexus, basi 

 parum convexus, circa umbilicum latiusculum, conicum obso- 

 lete angulatus; apertura perobliqua, subrhombea; perist. album, 

 margine supero recto, antrorsum arcuato, basali intus late in- 

 crassato , fere dentato , columellari breviler ascendente. — 

 Diam. maj. 20, min. 18, alt, 8 mill. (Mus. Cuming.) 



Helix matura Pfr. in Proc. Zool. Soc. 1855. p. 92. t. 31. f. 10. 



— — (Videna) Pfr. Vers. p. 132. 

 Habital Guadalcanar ins. Salomonis (MacgiUivray). 



Obs. Persimilis H. Beckianae, sed acute carinata. 



