CERNUELLA 211 



1799. Helix virgala : Pulteney, Cat. Dorset., p. 47. 



1800. Helix zonaria, Linn. : Donovan, Brit. Shells, ii, pi. Ixv, 



'. '> Helix fasciolata : Poiret, Coq. Aisne, p. 79. 



1801, \ Helix suhalbida : Poiret, o. c, p. 83. [Teste Ferussac, 



Apr. / Essai, 1807.] 



1801,1 Helix variabilis : Draparnaud, Tahl. Moll. France, 



July./ p. 73. 



1803. Helix virgala, Pult. : Montagu, Test. Brit., p. 415, 



pi. xxiv, f. 1. 

 1805. Helix variabilis : Draparnaud, Hist. Moll. France, 



p. 84, pi. V, f. 11-13. 

 1807. Helix virgala : Maton & Rackett, Trans. Linn. Soc, 



viii, p. 195. 

 1813. Helix virgala : Rackett, in Pulteney, Cat. Dorset., ed. 2, 



p. 53, pi. XX, f. 7. 

 1817. Helix Pisana, Miill. [pars] : Dillwyn, Cat. Shells, ii, 



p. 911. 

 ?1818. Helix elegans : Brown, Mem. Wernerian Nat. Hist. Soc, 



ii, p. 528, pi. xxiv, f. 9. [A scalariform mon- 

 strosity, by some referred to Xerofhila itala.] 

 ?1819,\ Helix disjuncla : Turton, Conch. Did., p. 61, f. 63. 

 Feb. j [N. 710V. for Brown's H. elegans {supra).] 



1819. Teba virgala, Mont. : Leach, Moll. Brit. Sijnop. (proofs), 



p. 93. 

 1821. Helix {Helicella) variabilis, Draparn. [pars] : Ferussac, 



Tabl. syst. Limagons, Jan. ed., p. 48 (June 



ed., p. 44). 

 . 1823. Helix pisana : [Brown], Ency. Brit., ed. 6, vi, p. 459. 



1826. Helicella variabilis (Drap.) : Risso, Hist. Nat. Europ. 



merid., iv, p. 71. 

 ?1827. Caracolla elegans. Brown : Brown, Illusl. Conch. Brit., 

 ed. 1, pi. xl, f. 28. 



1827. Helix virgala, Mont. : Brown, o. c, pi. xl, f. 41-45 



[f. 41 as riifescens]. 



1828. Helix variabilis, Drap. : C. Pfeiffer, Naturg. Deulsch. 



Moll, iii, p. 28, pi. vi, f. 10 & 13. 

 1830,\ Helix monilifera, m. : Menke, Synop. Moll., ed. 2, 

 Apr. j p. 22. 



1830. Helix virgala, Mont. : Jeffreys, Trans. Linn. Soc, xvi, 



p. 334. 



1831. Helix virgala, Montagu : Turton, Manual, p. 40, f. 31. 

 1831. Teba virgala: Leach, in Turton, Manual, p. 41, in 



synon. 

 1831. Helix lauta. Prod. MS. : Lowe, Trans. Camh. Phil Soc, 



iv, pt. 1, p. 53, pi. vi, f. 9. 

 1837. Helix (Theba) mariliina, Drp. [pars] : ) x; ^r- t^^^^ 



1837. Helix (ThclM)moniUfera,^linke: \^^'[^), ^ {f''' 

 1837. Helix {Theba) maculosa, Ziegl. : j ^^''''■' P" ^-^ 



