266 CLAUSILIID^ 



1823. Turbo perversiis : [Brown], Ency. Brit., ed. 6, vi, 



p. 456. 

 182-4. Balca frag His : Gray, Zool. Journ., i, p. 61. 



[Cites in synonymy " Balca lucifiu/a, Leach MS."] 



1827. Clausilia perversa, Pfeiffer : Brown, lUust. Conch. Brit.. 



ed. 1, pi. xli, f. 11. 



1828. Balea perversa : Fleming, Brit. Anim., p. 271. 



1830. Balea frag His, Drap. : Jeffreys, Trans. Linn. Sac, xvi, 



p. 351. 



1831. BalcEafrigilis, Drap. : Turton, Manual, p. 87, f. 70. 

 1833. Fusulus fragiJis, mihi : Fitzinger, Bcitr. Landesk. 



Oesterr., iii, p. 105. 



1837. Clausilia (Balea) perversa (L.) Fl. : Beck, Index Moll., 



i, p. 89. 



1838. Pupa perversa, Linn. : Potiez & Michaud, Gall. Moll., 



i, p. 166. 

 1840, ( Balcea perversa, Montagu : Gray, Turton's Manual, 

 Apr. / new ed., p. 207, pi. vi, f. 70. 



1840,1 Clausilia (Eruca) fragilis, Drap. : Swainson, Treat. 

 May./ Malac., p. 334. 



Mav'l ^'^'^"'•'''''* [Balia) Fragilis, Drap. : Swaixson, I.e. 



1840, \ Clausilia uniplicata, nobis : Calcara, Effem. Scient. 



July. / Sicil, XXX, p. 35. ■ 



Post 1 . . 



Q ' I BaJwa fragilis, Leach: Brown, Illust. Conch. Brit., ' 



'{^^J-J- ed. 2,p.37,pl. xiv,f. 11. I 



*1843. Stomodonta fragilis, nob.: Mermet, MoU. Pyrenees \ 

 occid., p. 48. ! 



1845. Bakea fragilis. Leach : Brown, Illu.st. L. & F.-W. I 

 Conch. Brit., p. 36, pi. iv, f. 30. | 



18.50. Boloea perversa (Fleming) : Dyson, Shells of Manchester, | 

 p. 60. I 



1852,) Balfca fraqilis, Drap. : Leach, Moll. Brit. Synop., j 



Feb. / ' p. 83. 



1852, ( Balea fragilis, Draparnaud : Forbes & Hanley, Brit. 



Mar. / Moll, iv, p. 114, pi. cxxviii, f. 8 & 9. 



1855. Balea (Baleastra) perversa, L. : Pfeiffer, Malak. Bldtt., 



ii, p. 179. ! 



1856. Pupa (Balea) perversa, Linn. : Moquin-Tandon, Hist. 



Moll. France, ii, p. 349, pi. xxv, f. 6-14. 

 1857,) Balea perversa, Linn. : Gray, Turton's Manual, new ed., 

 Sept./ p. 176, pi. vi, f. 70. 



( Balia perversa : Bourguignat, Rev. d- Mag. Zool., 

 1857,1 Ser. II, toni. ix, p. .550, pi. xvii, f. 1-3. 



Dec. ] (Also in Amenit. Malac, ii, p. 68, pi. xiii, 



[ f. 1-3.) 



1858. Balca mtida, MSS. (H.) : MoussoN, Vierteljahrsehr. 

 Gesell. Zurich, 1858, p. 168. 



