HELIX §. 15. 79 



301. biangulata Pfr. (Coll. 140. — Reeve N. 157. t. 



33. — Chemn. ed. nov. II. p. 4 25. — Thea ^/6. 



p. 118.) Mon. I. p. 80. 



302. ochroleuca Fer. (Coll. Hi. — Desh. in F6r. 



hist. I. p. 183. N. 243. — Trochomorpha Alb. 



p. 116.) - - - 80. 



303. H. semicerina Morelet. ^ 



T. vix perforata, depressa, acule carinata, costulato-striata, 

 in junioribus specirainibus corneo-flavescens, in adultis albida, 

 spadiceo saepius unifasciata, epidermide cerina, subtus satu- 

 ratiore, aream umbilicalem late circumscribente, vestita; anfr. 

 6 planiusculi, sensim crescentes, ultimus ad basin tumidus, 

 medio excavatus; apertura subquadrangularis; perist. prae- 

 sertim ad perforationem incrassatum. — Diam. 16, a]t. 10 mill. 

 — Et var. turbinata, anfractibus discretis. — Delibata collect. 

 Her. — Tenuis id. var. junior. (M.) 



Helix semicerina Morelet in Guer. Rev. et Mag. Zool. 1851. p. 219. 

 Habilat in insula Mauritii. 



Obs. Conf. E. Rawsonis Barcl. 



* 



304. filocincta Pfr. (Coil. 142. — Reeve N. 158. t. 



36. — Chemn. ed. nov. II. p. 127. — Nanina 



iXesta] filoc. Alb. p. 59.) Mon. I. p. 82. 



305. atomata Menke. [Chemn. ed. II. Helix N. 760. 



t. I^S. f. 19 — 21. — An status juvenilis Helicis 



cujusdam, forsan H. tumulorum?) - - - 82. 



306. viridis Quoy. •{• - - - 82. 



307. excentrica Pfr. (Coll. 143. — Reeve N. 152. t. 



34. — Chemn. ed. nov. II. p. 126. — Corasia 



Alb. p. 1M.) - - - 82. 



308. variolosa Pfr. (Coll. 1 44. — Chemn. ed. H. Helix 



N. 1064. t. 157. f. 7. 8.) - - - 83. 



309 H. Loveni Krauss. 



T. perforata, depressa, subdiscoidea, tenuis, striis elevatis, 

 longitudinalibus, regulariter distantibus, lineisque spiralibus 

 confertissimis decussata, cornea, pellucida, epidermide hirsuta 

 induta; spira vix elevata, medio subpapillata; anfr. 5 planius- 

 culi, ultimus superne carinatus, basi convexus; apertura sub- 

 verticalis, angulato-lunaris; perist. simplex, acutum, rectum, 

 margine columellari breviter arcuato, late reflexo. — Diam. maj. 

 i0,"min. 8V2, alt. 5% m\\\. (CoU. Krauss. spec. maxim.) 

 Helix Loveni Krauss sudafr. Moll. p. 76. t. 4. f. 21. 



— — Pfr. in Zeitschr. f. Malak. 1848. p. 93. 



— — Reeve Conch. ic N. \9'6. t. 43. auct. 

 Habitat in Africa meridionali. 



