72 IIEUX §. 13. 



naris, suhlransversa; perist. simplex, obtusum, hasi dilatatmu 

 — Diani. 26, alt. 15 mill, (Dh.) 



Helix semvpartita Desh. In Fer. hist. I. p. 187. N. 241. i. 89. f. 5. 

 liahitat . . .? 



266 H. vitellina Pfr. 



T. anii;ustissime umhilicata, depresso-glohosa, superne 

 minutissime decussata, vix nitida, fuscescenti-vitellina; spira 

 breviter conoidea, obtusiuscula; anfr. 5^^ convexiusculi, ul- 

 timus antice subdeseendens, infra peripheriam (interdum ob- 

 solete angulalam) vix striatus, juxta umhilicum contractum 

 albus; apertura ohliqua , lunato-rotundata; perist. simplex, 

 marginibus remotis, columellari alho, incrassato-reflexo, su- 

 perne suhdilalato. — Diam. maj. 29, min. 24, alt. 18 mill. 

 (Mus. Cuming.) 



Helix vitellina Pfr. in Proc. Zool. Soc 1848. j). i09. 



— — Pfr. in Zeitschr. f. Malak. 1848. j). 92. 



— — Chenm. ed. II. Helis N. 763. t. 122. f. 22. 23. 

 Habitat . . . ? 



Obs. Siniilis H. trancjueharicae Nr. 94. 



* 



267. ligulata Fer. (Coll. 122. — Chenin. ed. nov. I. 



p. 206. — Desh. in Fer. liist. I. p. 180. N. 240. 



— Nanina [Xesta] Ugul. Alb. p. 59.) Mon. 1. p. 7 1. 



268. rufa Less. (Coll. 123. — Rceve N. 193. t. 42. — 



Chemn. ed. nov. II. p. 119. — Nanina [Hemi- 



piecfa] rufa Alh. p. 60.) - - - 73. 



269. H. bisculpta Benson. 



T. perforata, orbiculato-depressa, translucens, parum ni- 

 Hrda, subtus cornea, supra rufescens, ulrinque eleganter con- 

 fertissime striato-plicata, plicarum verticalium interstiiiis longi- 

 tudinaliter striatissimis, striisque spiralibus decussalis; spira 

 depresso-convexa, apice laevi, obtuso; sutura profunda; anfr. 

 4^2 convexi, lente accrescentes, ultimus non descendens, ro- 

 tundatus, subtus convexior; apertura verticalis, lunaris; perist. 

 simplex, acutum, margine columellari arcuato-declivi, crassius- 

 culo, supra breviter late reflexo, laminam triangularem for- 

 manle. — Diam. maj. 7, min. 6^2, alt. 47^ mill. (Mus. 

 Benson.) 



Helix bisculpta Bens. in Ann. and Mag, 2 d. ser. VII. 1851- 

 p. 103. 



— — Chemn. ed. II. Helix N. 920. t. 141. f 17 — 19. 

 Habitat suh lapidihus ad « Camp's Bay» Promoiitorii Bonae 

 Spei. 



