16 PALUDESTRINID^ 



1840, '^ Bithinia tentaculata, Linn. : Gray, in Turtou's Manual 



Apr. / new ed., p. 93, pi. x, f. 120. 



Post \ 



o , I Paludinaimpura,ha,m3iTGk: Brown, Illust. Conch. Brit.' 



^gP^ I ed. 2, p. 27, pi. xiv, f. 72 & 73. 



1845. Paludina impura, Lamarck : Brown, lllust. L. & F.-W. 



Conch. Brit., p. 4, pi. i, f. 8 & 9. 

 1850, ) Bithinia tentaculata, Linn. : Forbes & Hanley, Brit. 

 Mar. / Moll, iii, p. 14, pi. Ixxi, f. 5 & 6. 



1850. Bylhinia tentaculata, Linn. : Stein, Lehend. Schneck. <& 



Musch. Berlins, p. 92, pi. iii, f. 3. 

 1852. Bithynia jaculator : Leach, Moll. Brit. Synop., 



p. 209. 



1856. Bythinia {Elona) tentaculata, Linn. : Moquin-Tandon, 



Hist. Moll. France, ii, p. 528, pi. xxxix, 

 f. 23-44. 



1857. Bithinia tentaculata, Linn. : Gray, in Turton's Manual, 



new ed., p. 26, pi. x, f. 120. 



1862. Bythinia tentaculata, Linne : Jeffreys, Brit. Conch., 



i, p. 60 ; V, pi. iv, f. 4. 



1863. Bythinia tentaculata, Linmieus : Reeve, L. c£ F.-W. 



Moll. Brit. Is., p. 189, figs. 

 1870. Bythinia {Grayana) tentaculata, Linn. : Betta, Atti 



Accad. Agric. Verona, xlvii, mem. p. 115. 

 1870. Bytinia [sic] tentaculata, Linn. : Millet, Faune Invert. 



Maine-et-Loire, i, p. 56. 

 1882. Bythinia sebethina, Blanc : Coutagne, Ann. Soc. Linn. 



Lyon, xxviii, p. 24. 

 1884. Bythinia gravida : Ray, Bull. Soc. Malac. France, i, p. 



155. 

 1884. Bythinia ardussonica : Ray, t. c, p. 156. 

 1886. Bythinia {Elona) allopoina, West. : Westerlund, Fauna 



Paldarct. Region, vi, p. 15. 

 1886. Bythinia gravida, Ray: Westerlund, t.c, p. 16. 

 1893. Bythinia Stramicensis : Locard, ^change, ix, p. 4. 



(Figd. in Rev. Suisse Zool., ii, pi. v, f. 16.) 



[Teste Germain.] 

 1893. Bylhinia potamica, nov. sp. : Locard, Coq. Eaux douces 



France, p. 73. (Also in Ann. Soc. Agric. 



Lyon, i, 1894, p. 73.) [Teste Germain.] 



1893. Bythinia parva, nov. sp. : Locard, t.c, p. 74. (Also 



in Ann. Soc. Agric. Lyon, i, 1894, p. 74.) 

 [Teste Germain.] 



1894. Bythinia decipiens, Millet : Locard, Rev. Suisse Zool., 



ii, p. 84, pi. V, f. 6. [Nan Millet.] 



First described as British in 1674, by M. Lister {Phil. 



Trans., ix, p. 99, pi. ii, f. 19). 

 British Distribution in Time : Pliocene to Recent. 



