BALEA 265 



1840. Eruca [pars] : f aubgg. of \ Swainson, Treat. Malac, 

 1840. Balia [pars] : \ ClausUia / p. 334. 

 1850. Bohm : IJvsoN, SMIs of Manchester, p. 60. 

 1855. Baleaslra, subg. of Baiea : Pfeiffer, Malak. Bldtt., 

 ii, p. 179. 



1. Balea perversa (Linne). 



Etyiii. : — Lat. perversus, turned the wrong way. 



1758. Turbo perversus : Linn.eus, Syst. Nat., ed. 10, p. 767, 



no. 567. 



1767, Turbo perversus : Linn^us, o. c, ed. 12, p. 1240, no. 650. 



1774. Helix perversa [pars ?] : Muller, Verm. Hist., ii, p. 118. 



1777. Turbo perversus, Linn. : Pennant, Brit. Zool., ed. 4, 



iv, 8vo, p. 130; 4to, p. 113, pi. Ixxxii, f. 116. 



?1778. Strombiformis perversus : DaCosta, Test. Brit., p. 107. 



1791. Turbo perversus [pars] : Gmelin, Linn. Syst. Nat., ed. 13, 



i, pt. 6, p. 3609, no. 88. 



1792. Bulivms perversus, nob. [pars] : BRUGUii:RE, Ency. 



method.. Vers, i, p. 351. 

 1799. Turbo perversus : Pulteney, Cat. Dorset., p. 46. 

 1801. Pupa fragilis : Draparnaud, Tabl. Moll. France, p. 64. 

 1803. Turbo perversus : Lin. : Montagu, Test. Brit., p. 355, 



pi. xi, f. 12. 

 1805. Pupa fragilis : Draparnaud, Hist. Moll. France, p. 68, 



pi. iv, f. 4. 

 1807. Clausilia fragilis, Drap. : Ferussac, Essai method. 



Conchyl., p. 51. 

 1807. Turbo perversus, Linn. : Maton & Rackett, Trans. Linn. 



Soc, viii, p. 181, pi. V, f. 2. 

 1813. Clausilia parvula. Stud, in litt. : Gartner, Ann. 



Wetterau. Gesell. NaturL, iii, hft. 2, p. 302. 

 1813? Odostomia perversa : Fleming, Edinh. Ency., vii, p. 76. 

 1813. Turbo perversus : Rackett, in Pulteney, Cat. Dorset., 



ed. 2, p. 51, pi. xix, f. 11. 



1817. Turbo perversus, Linn. : Dillwyn, Cat. Shells, ii, p. 876. 



1818. Clausilia perversa : Fleming, Suppt. 4-6th ed. Ency. Brit., 



iii, p. 312. 



1819. Bakea fragilis, Drap. : Leach, Moll. Brit. Synop. (proofs), 



p. 116. 



1820. Helix {Clausilia) fragilis, Drap. : Ferussac, Journ. 



Physique, xc, p. 300. 



1821. Helix {Cochlodina) perversa, Linne: FERUSSAC, Tabl. 



syst. Liniacons, Jan. ed., p. 66 (June ed., 



p. 62). 

 1821. Clausilui fragilis, Drap. : Hartmann, Neue Alpma, i, 



p. 215. 

 1821, Pupa fragilis, Drap. : C. Pfeiffer, Naturg. Deutsch, 



Moll, i, p. 56, pi. iii, f. 16, 



