VITREA 185 



1855,1 Heix {Crystallus) cnjstallina, Mull. : Lowe, Proc. Zool. 

 Mar. / Soc. Loml., 1854, p. 178. 



1855,) Zoniles {Aphstomo) crystaUinus, Miill. : Moquin-Tandon, 

 Sept./ Hid. Moll. France, ii, p. 89, pi. ix, f. 26-29. 



1857. Zonites crystaUinus, Miiller : Gray, Turton's Manual, 



new ed., p. 98, pi. iv, f. 42. 

 1860. Hyalina crystallina, Miill. : Martens, in Albers, Heliceen, 



ed. 2, p. 69. 



1862. Zonites crystaUinus, Miiller : Jeffreys, Brit. Conch., i, 



p. 170; V, pi. X, f. 3. 



1863. Zonites crystaUinus, Muller : Reeve, L. & F.-W. Moll. 



Brit. Is., p. 53, figs. 

 1873. Zonites crystallina [sic], var. contracta, mihi : Wester- 

 LUND, Fauna Moll. Svecice, p. 56. 



1875. Hyalina contracta. West. : Clessin, Jahrb. Deufsch. 



Malak. Gesell., ii, p. 32, pi. ii, f. 1. 



1876. Oxychilus crystaUinus, Miiller: Jousseaume, Bull. Soc. 



Zool. France, ii, p. 42, pi. ii, f. 3 & 4. 

 1876. Hyalina ( Vitrea) crystallina, Miiller : Clessin, Deutsch. 

 Excur. MoU. Fauna, p. 77, f. 33. 



1876. Hyalina {Vitrea) contracta, Westerlund : Clessin, o. c, 



p. 79, f. 34. 



1877. Hyalina {Vitrea) Dubrueili, n. sp. : Clessin, Malak. 



Blalt., xxiv, p. 128, pi. i, f. 4. 

 1886. Hyalinia {Vitrea) crystallina, Miill. : Westerlund, Fauna 



Paldarct. Region, i, p. 32. 

 1886. Hyalinia {Vitrea) contracta, West.: Westerlund, t. c, 



p. 35. 

 1902. Vitrea {Crystallus) crystallina. Mull. : Westerlund, 



Bad Jugoslav. Akad., cli, p. 87. 

 1908. Hyalinia crystallina (Muller) : Taylor, Monog. Moll. 



Brit. Is. [iii], p. 108, pi. xv. 



[Germain {Moll. France, ii, p. 74) cites as synonyms : — 

 Hyalinia humicola, Mab., and H. suhterranea, Bourg.] 



First recorded as British in 1821, by J. E. Gray, as 

 Helix Zonites crystallina, Drap. {See ref. above.) 



British Distribution in Time : Pleistocene to Recent. 



Fam. : VITRINID^. 



Genus : 1. VITRINA, Draparnaud. 



Etym. : — Mod. Lat. based on Lat. vitruni, glass. 



Type -.—Helix peUucida, Miiller. (Selected by Fleming, 1822.) 



{Helix, vett. auctt.) 



1801. Helico-limax [pars] : Ferussac, Mem. Soc. Med. tlmul. 

 France, iv, p. 390. 



