310 sphtERiid^ 



1849,) Pisidium amniciwi, Jenyns : Gassies, Tabl. Moll. 

 Mar. J Agenais, p. 208. 



18-19 \ Pisidium amnicum, Miiller : Forbes & Hanley, Brit. 

 Apr. J Moll, ii, p. 133, pi. xxxvii, f. 8 & 9. 



1852. Peru henslowiana : Leach, Moll. Brit. Synop., p. 291. 



1852. Pera amnica : 1 Leach o c p 292 



1852. Pera fliiviatilis : j ' ' '' ^' 



1852. Cordula amnica : Leach, o. c, p. 293. 



1854. Pisum amnicum, Miill. : Deshayes, Gat. Conch. Brit. 



Mus., ii, p. 274. 



1855. Pisidium intermedium, nob. : Gassies, Actes Soc. Linn. 



Bordeaux, xx, p. 338, pi. i, f . 4. {Cf. Gassies, 

 Journ. de Conchyl., v, 1856, p. 143.) 



1856. Pisidium amnicum, Miill. : Moquin-Tandon, Hist. Moll, 



France, ii, p. 583, pi. lii, f. 11-15. 



1857. Pisidium amnicum, Miiller : Gray, in Turton's Manual, 



new ed., p. 268, pi. i, f. 5. 



1858. Musculium amnicum, Miill. : H. & A. Adams, Genera 



Moll., ii, p. 451. {Pisum amnicum, id., t. c, 

 p. 660.) 



1862. Pisidium amnicum,, Draparnaud : Jeffreys, Brit. 



Conch., i, p. 20 ; v, pi. i, f. 5. 



1863. Pisidium amnicum, Miiller : Reeve, L. <& F.-W. Moll. 



Brit. Is., p. 228, figs. 

 1873. Pisidium {Fluminina) amnicum (Miiller) : Clessin, in 

 Westerluud, Fauna Moll. Svecice, pt. ii, 

 p. 529. 



1879. Pisidium alienum, n. sp. : Clessin, in Martini & Chem- 



nitz, Conch.-Cab., ed. 2, ix, abth. 3, Cycladeen, 

 p. 269, pi. xli, f. 3-5. 



1880. Pisidium amnicum, var. nova [n. v.] : Paulucci, Bidl. 



Soc. Malac. Ital, vi, p. 176. 



1887. Pisidium elongatum (olim amnicum, var. elongata. Baud.) : 



Servain, Bull. Soc. Malac. France, iv, p. 252. 



1888. Pisidium danuhiale (Bourg. in coll.) : Servain, t. c, v, 



p. 313. 

 1893. Pisidium depressum \ n. spp. : Locard, Coq. Eaux 

 1893. Pisidium transversum) douces France, p. 140. 



1902. Pisidium baicalense, n. sp. : Dybowski, Nachrhl. Deutsch. 



Malak. GeselL, xxxiv, p. 93; Rossmassler, 

 Icon., N.F. X, f. 1814. 



1903. Cornecocylas {Pisidi\im) amnica, Miill. : Dall, Proc. 



Biol. Soc. Washington, xvi, p. 7. 

 1909. Pisidium suhtilestriatum, n. sp. [= var. nova, Paul.] : 

 LiNDHOLM, in Korotneft", Wissensch. Ergehn. 

 Zool. Exped. Baikal-See, iv, p. 84, pi. ii. 



First recorded as British in 1797, by W. G. Maton, as 



Tcllina rivnlis. (See ref. above.) 

 British Distribution in Time : Pliocene to Recent. 



