180 ZONITID^ 



1888. Hyalina {Poliia) nitens, Mich. : Westerlund, t. c, 



p. 64. 

 1891. Vitrea {Polita) nitidula, Drap. ; Smith, Journ. of Conch., 



vi, p. 339. 

 1908. Hyalinia (Polita) nitidula (Draparnaud) : Taylor, 



Monog. Moll. Brit. Is. [iii], p. 67, pi. vi. 



[Germain {Moll. France, ii, p. 70) gives as synonyms of 

 this species, which he identifies with H. nitens, 

 Gmelin : — H. epipedostoma, Bourg. ; H. siibnitens, 

 Bourg. ; H. stilpna, Bourg. ; H. Dutaillyi, Mab. ; 

 //. demiranda, Bourg.; //. Jourdheuili, Ray; 

 H. lenaploa, Bourg. ; //. cuzyensis, Bourg. ; H. 

 hourgetica, Bourg. ; and //. atonolena, Bourg.] 



First recorded as British in 1803, by G. Montagu, as 

 Helix lucida, Pult. (See ref. above.) 



British Distribution in Time : Pleistocene to Recent. 



6. Helicella (Retinella) pura (Alder). 

 Etym. : — Lat. purus, clear. 



1805. Helix nitidula, var. [i : Draparnaud, Hist. Moll. France, 

 p. 117, pi. viii, f. 21 & 22. 

 [Renamed by Ferussac nitidosa. See infra. Jeffreys, 

 Brit. Conch., i, p. 310, states that Draparnaud's 

 examples consisted of two H. radiatula, and one 

 H. pura.^ 

 1821. Helix (Helicella) nitidosa, nobis {n. nud.] : Ferussac, 

 Tabl. syst. Limagons, Jan. ed., p. 45 (June ed., 

 p. 41). 

 [Alder, Mag. Zool. Bot., ii, p. 108, makes this a variety 

 of his pura.] 

 „,„„„ I Helix (Helicella) viridula, mihi : Menke, Synop. Moll., 

 ■^°^^'] ed. 2, p. 20. [Teste Moquin-Tandon and 



^P""- \ Gray (1857).] 



1830. Helix nitidula, var. p : Jeffreys, Trans. Linn. Sac, 

 xvi, p. 340. 



1830. Helix pura, mihi : Alder, Trans. Nat. Hist. Sac. 



Northumh., i, p. 36. 



1831. Helix pura. Alder : Turton, Manual, p. 59, f. 43. 

 1833. Helix nitidula, var.' a : Jeffreys, Trans. Linn. Soc, 



xvi, p. 511. 

 1837. Helix lenticula, mihi : Held, Isis, xxx, hft. 4, col. 304. 



[? = his Polita lenticularis, col. 916.] 

 1837. Polita nitidosa, Fer. : Held, t. c, hft. 12, col. 916. 

 1837. Helix (Helicella) nitidosa, Fer. [? pars] : Beck, Index 



Moll., p. 6. 

 1837. Helix (Helicella) viridida, Mk. : Beck, o. c, p. 7. 

 1840,) Zonites jyurus. Alder : Gray, Turton's Manual, new ed., 

 Apr. / p. 171, pi. iv, f. 43. 



