172 ZONITID^ 



2. Zonitoides excavatus (Bean MS., Alder). 

 Etym. : — Lat. excavatus, dug out. 



1830. Helix nitida, var. a : Jeffreys, Trans. Linn. Soc., 

 xvi, p. 339 & 511. 



1830. Helix excavata, Bean MS. : Alder, Trans. Nat. Hist. 



Soc. Nor thumb., i, p. 38. 



1831. Helix lucida, var. : Turton, Manual, p. 57. 



1840, ") Zonites excavatus. Bean : Gray, Turton's Manual, new 



Apr. / ed., p. 175, pi. xii, f. 138. 



Post 1 



Q , I Helix {Hyalince) excavata. Bean : Brown, Hlust. Conch. 



jgP^ I Brit., ed. 2, p. 53, pi. xviii*, f. 9 & 10. 



1845. Helix {Hyalince) excavata. Bean : Brown, Ulust. L. (& 



F.-W. Conch. Brit., p. 85, pi. ix, f. 13 [15 on 



the pi.] & 14. 

 1852. Zonites excavatus, Bean : Forbes & Hanley, Brit. Moll., 



iv, p. 40, pi. cxxi, f. 2-4. 

 1857. Zonites excavatus, Bean MS. : Gray, Turton's Manual, 



new ed., p. 97, pi. xii, f. 138. 

 1860. Hyalina excavata, Bean : Martens, in Albcrs, Heliceen, 



ed. 2, p. 69. 



1862. Zonites excavatus. Bean : Jeffrey^s, Brit. Conch., i, 



p. 168; V, pi. X, f. 2. 



1863. Zonites excavatus. Bean : Reeve, L. <& F.-W. Moll. 



Brit. Is., p. 52, figs. 

 1866. Helicella excavata : Tate, Moll. Gt. Brit., r>. 108, pi. vii, 



f. 52. 

 1886. Hyalinia {Zonitoides) excavata (Bean) Alder : Wester- 



LUND, Fauna Paldarct. Region, i, p. 40. 

 1886,) Zonites (Hyalinia) excavata. Bean : Tryon, Man. Conch., 

 July./ Ser. II, vol. ii, p. 153, pi. xlix, f. 4 & 5. 



1891. Vitrea {Zonitoides) excavata. Bean : Smith, Journ. of 



Conch., vi, p. 339. 

 1908. Zonitoides excavatus (Bean) : Tay'LOR, Monog. Moll. 



Brit. Is. [iii], p. 133, pi. xv. 



First recorded as British in 1830, by J. G. Jeffreys, as 



Helix nitida, var. a. {See ref. above.) 

 British Distribution in Time : Pleistocene to Recent. 



(Sub-fam. : ZONITINiE.) 

 Genus : 2. HELICELLA, Ferussac.^ 



Etym. : — Lat. diniin. of helix, from Gr. eXi^, a snail. 

 Type : — Helix ccllaria, Miiller, selected by Gray, 1847. 

 {Helix, Zonites, vett. auctt.) 



1815. Vortex [pars] : Oken, Lehrh. Natuir/., iii, abth. 1, p. 314. 

 [Non Humphrey, 1797.] 



' Reversion to this name favoured by Gude & Woodward for reasons 

 given. See Proc. Malac Soc. Land., xiv., 1921, p. 175. 



