pisiDiUM 325 



1905. Corneocyclas steenbuchii , Mollcr : Dall, Harriman Alaska 



Exped., xiii, p. 143. 

 1909. Pisidium korotnevi, n. sp. : Lindholm, in Korotneff, 



Wissensch. Ergebn. Zool. Exped. Baikal-See, 



iv, p. 85, pi. ii, f. 47, p. 48. 



First recorded as British in 1910, by B. B. Woodward 

 {Proc. Mahw. Soc. Lond., ix [p. 5, in error], p. 150). 

 British Distribution in Time : Recent. 



15. Pisidium lilljeborgii, Clessin. 



Etym. : — Named in honour of the Swedish naturalist, W. 

 Lilljeborg. 

 1862. Pisidium nitidum, var. splendens, Baudon : Jeffreys, 

 Brit. Conch., i, p. 25. [Non Baudon.] 

 ?1876. Pisidium urinator, n. sp. : Clessin, BiiU. Soc. Vaudoise 

 Sci. Nat., xiv, p. 236, pi. iii, f. 3. [Teste 

 Odhner.] 

 1886. Pisidium lilljehonjH, n. sp. : Clessin, in Esmark & 

 Hoyer, Malak. Bldtt., N.F. viii, p. 119. 



1889. Pisidium alpicola, Cless. [n. n.] : Clessin, in Suter, 



Malak. Bldtt., N.F. xi, p. 191. 



1890. Pisidium (Fossarina) loveni, Clessin : Clessin, Moll. 



Oesterrcich-Ungarns, p. 765 [for the pre- 

 ceding]. 



1890. Pisidium (Fossarina) lilljeborgii, Cless. : Westerlund, 

 Fauna Palaarct. Region, vii, p. 24. 



1909. Pisidium nordenskibldi, var. semcnkevitschi, nov. : Lind- 

 holm, in KorotnefF, Wissensch. Ergebn . Zool. 

 Exped. Baikal-See, iv, p. 86, pi. ii,' f. 49, 50. 



First recorded as British in 1910, by B. B. Woodward 



(Proc. Malac. Soc. Lond., ix, p. 5). 

 British Distribution in Time : Cromerian to Recent. 



16. Pisidium hibernicum, Westerlund. 

 Etym. : — Lat. Hibernia, Ireland. 



?1832. Pisidium obtxisale, var. : Jenyns, Trans. Canib. Phil. 

 Soc, iv, p. 301. [Fide Oldham.] 



1894. Pisidium (Fo.fsarina) hibernicum, n. sp. : Westerlund, 



Nachrichstbl. Deutsch. Malak. Gescll., xxvi, 

 p. 205. 



1895. Pisidium (Fossarina) hibernicum, Westerld. : Scharff, 



Irish Naturalist, iv, p. 335, figs. 



First described as British in 1894, by C. A. Westerlund. 



(See ref. above.) 

 British Distribution in Tinic : Holoccne and Recent, 



