HELIX §. 5. 33 



0. 



43. coelatura Fer. (CoU. 24. — Desh. in F^r. faist. 



I. p. 162. N. 216 — Chemn. ed. nov. I. p. 228, 

 — Reeve N. 183. t. 41. — Chemi t. 5 f. 8. — 

 Pachystoma Alb. p. 125.) Mon. I. p. 20. 



44. simplex Lam. -J- {Desh. I. c. p. 162. N. 215.) . - - _ 20. 



45. Haldemaniana Adams. (Coll 25. — Chemn.eA. 



nov. I. p. 233. — Hyalina Alb. p. 66.) - - - 32, 



46. H. Adamsi Pfr. 



T. imperforala, orbiculato-convexiuscula, leviter striatula, 

 opaca, nitidissiina, fulvescenti-lutea vel stramineo-albida, uni- 

 color vel lineis et fasciis saturate fulvis et castaneis multimode 

 ornata et radiata; spira brevis, convexiuscula , obtusa; anfr. 

 3^2 vix convexiusculi, ultimus depressus, basi subplanulatus; 

 apertura rotundato-lunaris; perist. simplex, acutum, margine 

 columellari subobliquo, dilatato, albo. — Diam. maj. 11, min. 

 10, alt. 6 mill. (Coll. Nr. 26.) 



Helix Adamsii Pfr. in Proc. Zool. Soc. 1845. p. 66. 



— — Chemn. ed. II. Helix t. 129. f. 1—6. 



— ornateUa Pfr. in Chemn. ed. II. Helix p. 234. t. 29. f. 23 — 26. 



— — Pfr. Monogr. I. p. 32. N. 42. (ex parte.) 



— — Desh. in Fer. hist. I. p. 165. N. 220. t. 99. f. 



9 — 14. 

 Microcystis filiceti Beck ind. p. 2. N, 5. 



Nanina (Microcystis) filiceti Beck in M. R. C. VIII. t. 3. f. 4. 

 a — d. (ined.) 

 — — Adamsi Alb. Helic. p. 60. 



Habitat in insulis Pitcairn et Opara (Cuming). 



Obs. 1. Variat spira magis minusve fornicato-elevata. 



Obs. 2. Hanc speciem non esse veram Microcystidem ornatellam 

 Beckii, ex iconibus auctoris (ineditis) nuperius cognovi , illamque (huc- 

 usque cum nostra confusam) distingui posse opinor. Cf. H. ornatella tir . 71. 



* 



47. fusca Mont. (Coli. 27. — Chemn. ed. nov. I. 



p. 232. — Conulus Alb. p. 73.) Mon. i. p. 33. 



Obs. Etiam prope Dax Galliae copiose reperitur teste Cl. De Gra- 

 leloup. 



48. H. omega Pfr. 



T. imperforata, depressa, sublaevigata, epidermide fulvo- 

 cornea Induta; spira vix elevatiuscula, vertice rubello; anfr. 

 4 planiusculi, celeriter accrescentes, ultimus depressus, basi 

 vix convexior, medio impressus; apertura obliqua, lunato- 

 ovalis; perisl. simplex, rectum, margine basali levissime ar- 

 lll. 3 



