34 m^LIX §. 7. 
acutum, margine columellari reflexiusculo. — Diam. maj. 9, min. 7. 
ait. 5 mill, (Coli. Nr. 29.) 
flelix fusca 3Ionl. test. brit. p. 424. t. 13. f. 1. 
— — Wood index t. 34. f. 132. 
— — Gray Manual p. 147. t. 4. f. 36. ■ 
— — Thompson cat. of land- and freshwaler-shells of frel. 
1 840. p. 10. 
— — Pf}'. Symb. II. p. 28. 
~ — Chemn. ed. U. Helix N. 204. l. 29. f. 17 — 19. 
— submifesce^is Miller in Ann. of Phil. XIX. p. 379. 
— Zenobia corrugata Gray in Med. Repos. 1821. p. 239. 
Peiasia edentula Bech ind. p. 2 1 ? 
Habitat in Britannia (Devonshirc : Mont.) et Hibernia (Thomps. ). 
^ * 
46. H. stylodon P£V. 
T. imperforata, depressiuscula , solidula, luleo-Gornea, sub- 
tiliter striata, interdum decussata; spira vix elevata; anfr. 6 pla- 
niusculi, ultimus obtuse angulatus; apertura lunaris; columella 
dente obliquo, valido, albo, instructa; perist. simplex. — Diam, 
maj. 21, min. 20, ali. 15 mill. (Coli. Nr. 30.) 
Helix stylodon Pfr. Symb. II. p. 40. 
— — Chemn. ed. II. Helix N. 221. t. 28. f. 18. 19. 
— 7iionodonta Grat. Act. Bord. XI. p. 399. t. 1 . f. II?*) Nec Lea. 
Habitat in insula Maurilii. 
* * 
^ 47. H. Powisiana Pfr, 
T. imperforata, depressa, superne convexiuscula , basi pla- 
niuscula, medio imi>ressa, tenuissima, striatula, nitidissima, cornea, 
fusco-radiata ; anfractus plane involuti, ultimus antice oblique 
depressus; apertura depressa, lunato-oblonga; perist. simplex, 
rectum, marginibus utrinque centro testae insertis, dextro antror- 
sum arcuato-dilatato. — Diam. maj. 18, min. 15, ait. 7ya mill. 
(Mus. Cuming.) 
Helix Powisiana Pf?'. mss. 
— involuta Pft\ in Proc. Zool. Soc. 1845. p. 65. Nec Thomae. 
Habitat in montibus Quendeu Novae Granadae. 
0 b s. Num forsau alii generi ydseribenda ? An Ilelicophanta ? 
*) T. conoidea, sublus convexa, imperforata, conica, muliispira, subpelln- 
cida, subtiliter oblique striata; anfr. 6 — 7, majore unifascialo; apertura semi- 
lunari, labro acuto, margine colnmollari albo-iinideiifato. — Alt. 6, diam. 18 
mill. (Gral. 1. c.) 
