246 HELICIDiE 



1826. Helicodonta : Risso, Hist. Nat. Europ. tnerid., iv, p. 65, 



for H. ohvoluta [only]. 

 1833. Trigonostoma : Fitzinger, Beitr. Landesk. Oesterr., iii, 



p. 97. [Non Blainville, 1825.] 

 1837. Vortex : subg. 23 of Helix : Beck, Index Moll, pp. 29. 



[Non Oken, 1815.] 

 1837. Gonostoma : Held, Isis, xxx, hft. 12, col. 915. [Non 



RafRnesque, 1810 (Pisces.).] 

 1847. Euphemia, Leach [MS. I] : Beck, Amtl. Ber. 24. Versamm 



Deutsch. Naturf., p. 122. [Non Robineau- 



Desvoidy, 1830 (Diptera).] 

 1855. Pohjfjyra, Say, subg. of Anchistoma, Klein [pars] : H. & 



A. Adams, Genera Moll., ii, p. 207. 



1. Helicodonta obvoluta (Miiller). 



Etym. : — Lat. obvolutus, wrapped round. 



1774. Helix obvoluta : Muller, Verm. Hist., ii, p. 27. 

 1791. Helix ohvoluta, Miill. : Gmelin, in Linn. Syst. Nat., 

 ed. 13, i, pt. 6, p. 36.34. 



1791. Helix holosericea : Gmelin, t. c, p. 3641. 



?1792. Helix bilabiata, nobis: Olivi, Zool. Adriat., p. 177. 



1792. Helix trigonophora : Lamarck, Journ. Hist. Nat., ii, 



p. .349, pi. xlii, f. 2. 



18J1,| pianorbis obvolutus : Poiret, Coq. Aisne, p. 89. 



\^V^'] Helix obvoluta : Draparnaud, Tabl. Moll. France, p. 89. 



1805. Helix obvoluta, Mull. : Draparnaud, Hist. Moll. France, 



p. 121, pi. vii, f. 27-29. 

 1815. Vortex obvoluta : Oken, Lehrh. Naturg., iii, abth. 1, 



p. 314. 

 1817. Helix obvoluta, Miill. : Dillwyn, Cat. Shells, ii, p. 914. 

 1821. Helix {Helicodonta) ohvoluta, Muller : Ferussac, Tabl. 



syst. Limagons, Jan. ed.. p. 38 (June ed., 



p. 34). 

 1821. Helix obvoluta, Miill. : C. Pfeifeer, Naturg. Deutsch. 



Moll, i, p. 41, pi. ii, f. 28. 

 1823. Helix obvoluta : [Brown], Eucy. Brit., ed. 6, vi, p. 459. 

 1826. Helicodonta obvoluta : Risso, Hist. Nat. Europ. merid., 



iv, p. 65. 

 1833. Trigonostoma ohvolutum, mihi : Fitzinger, Beitr. 



Landesk. Oesterr., iii, p. 98. 

 1837. Helix {Vortex) obvoluta, 0. Miill. : Beck, Index Moll, 



p. 29. 

 1837. Gonostoma obvoluta, Miill. : Held, Isis, xxx, hft. 12, 



col. 915. 

 1840,) Helix {Trigonostoma) ohvoluta, Muller : Gray, Turton's 

 Apr. / Mamial, new ed., p. 139, pi. xi, f, 131. 



