HELIX §. 44. 211 



llelix Rangiana Lam. cd. Dh. 212. p. 129. 



— — Rossm. VIll. p. 39. f. 537. 



— — Chemn. ed. II. Helix N. 7 1 . t. I 3 . f. 13—15.. 



— Rangii Desh. in Enc. meth. II. p. iS^: 

 Caracollina Rangiana Beck ind. p. 28. 

 Carocolla Rangiana Villa disp. p. 19. 



llabitat prope Collioure in Pyrenaeis. 



553. H. afficta Ferussac. 



T. umbilicata , discoidea , lutescenti - cornea , subpellucida, 

 minutissime striata, nitida; spira plana; anfr. Sy^ plani, acutis- 

 sime albo-carinati, ultimus subtus medio convexiusculus , circa 

 umbilicum mediocrem, pervium obtuse angulatus; apertura i)er- 

 obliqua, securiformis; perist. superne simplex, acutum, basi 

 arcuatum, reflexum. — Diam. maj. H/s, min. 13%, alt. 5 mill. 

 (Coll. Nr. 320.) 



Helix afficta (Helicigona) Fer. pr. 151. Hist. t. 66. f. 5. 



— — Chemn. ed. II. Helix N. 6 1 3. t. 95. f. 8 — 1 0. 



— lens Webb et Berth. syn. Orb. canar. p. 66. t. 2. f. 7 — 9. 

 CarocoUa planaria Lam. 14. p. 99. ed. Dh. p. 148. 



— — Deless. recueil t. 26. f. 12. 



Caracollina afficta Beck ind. p. 28. 

 Habitat in insula Teneriffa. 



554. H. planissima Pfr.#/;^S.f:/^/. /if//. 



T. umbilicata , depressissima , lenticularis, tenuis,' utrinque 

 oblique rugoso-costata , albida , subtus interdum corneo-fasciata; 

 anfr. 5/2 convexiusculi , acute carinati (carina compressa, promi- 

 nente, serrata), ultimus antice vix descendens , jjasi convexior, 

 circa umbilicum mediocrem, spiralem subangulatus ; apertura 

 depressa, angulato-lunaris ; perist. simplex, margine basali plane 

 arcuato, reflexo. — Diam. maj. IIJA, min. iOYa, alt. 4'/2 mill. 

 (Coll. Walton.) 



Helix planissima Pfr. in Proc. Zool. Soc. 1845. p. 72. 



Habitat . . . ? 



555. H. lenticula Ferussac. ''■/,: -'6$. 'y''-ii f. ciV' 

 T. umbilicata, lenticularis , carinata, subtilissiine cdstulaio- 

 striata, fusco-cornea , opaca; aufr. o convexiusculi, ultimus antice 

 vix descendens; apertura lunaris; perist. flexuosum, superne sim- 

 plex, rectum, marginibus callo tenui junctis, columellari reflexius- 

 culo, subtiliter limbato. — Diam. maj. 8^2, min. 7^3, alt. 3 mill. 

 (Goll. Nr. 321.) 



Helix lenticula (Helicigona) Fdr. pr. 154. Hist. t. 66. f. 1. 



— — Mich. compl. p. 43. t. 15. f. 15 — 17. 



14* 



