DREISSENSIA 297 



1842. Dreissina polymorphn, auct. : G. B. Sowerby (II), 

 Co7}cJi. Manual, ed. 2, p. 141, fig. 1.59. 



1844. Dreissena, or Myrtilus Polyinorphois : Loudon, Glimpses 



of Nature, p. 173, figs. 



1845. Dreissena polyniorpha, Van Beneden : Brown, lUust. 



L. & F.-W. Conch. Brit., p. 98, pi. x, f. 7-12, 

 xxvii, f. 5 & 6. 



1849. Dreissena polymorpha, Pallas : Forbes & Hanley, 



Brit. Moll, ii, p. 16.5, pi. xlii, f. 4 & 5. 



1850. Dreissena Danuhii, Miihlf. : Jay, Cat. Shells, ed. 4, 



p. 78. 



1851. Congeria Chemnitzii, Fcr. : Boll, Arch. Ver. Freunde 



Mecklenh., v, p. 80. [Non Ferussac] 

 1855. Dreissenia Chemnitzii, Mytilus Fer. ; Dunker, Com- 



mcntalio, p. 13. [Non Ferussac] 

 1855. Congeria polymorpha, Pallas : Reibsch, Ally. Deutsch. 



Naturh. Zeitung, N.F. i, p. 432. 

 , np/. [ Dreissena fluviatilis : Bourguignat, Rev. <& Mag. Zool., 

 V u'l Ser. II, torn, viii, p. 76. {Ameti. Malac., 



^ ' [ i, p. 161.) 



1856, \ Dreissena polymorpha, Pall. : Moquin-Tandon, Hist. 

 Apr. / Moll. France, ii, p. 598, pi. liv, f. 1-19. 



1857. Dreissena polymorpha, Pallas : Gray, in Turton's 



Manual, new ed., p. 260, f. 63. 



1861. Dreyssena Chemnitzii, Rossm. : Hensche, Schrift. phys.- 



olxon. Gcsell. Konigsherg, ii, p. 89. 



1862. Dreissena polymorpha, Pallas : Jeffreys, Brit. Conch., 



i, p. 47 ; V, pi. iii, f. 3. 



1863. Dreissena polymorpha, Pallas : Reeve, L. d- F.-W. 



Moll. Brit. Is., p. 209, figs. 

 1886. Dreissensia polymorpha, Pallas : Fischer, Manuel 



Conchyl, p. 972. 

 1909. Dreyssensia polymorpha, Pallas : Honigmann, Zeitschr. 



f. Naiurw., Ixxxi, p. 300. 



fLocARD {Rev. Suisse Zool., i, pp. 137-176) described 

 and figured the following manuscript species of 

 Bourguignat, which are founded on mere varieties : 

 — Dreissensia complanata, ventrosa, sulcata, tumida, 

 Servaini, eximia, Westerlundi, curta, Arnouldi, 

 Bedoti, occidental is, Locardi, Belgrandi, magnijica, 

 recta, Lutrtiana, and paradoxa.] 



[*,^* Mytilus lineatus : Waaruenburg, Comment. Moll. 

 Belq., 1827 (afterwards issued in Ann. Acad. Lugd.- 

 Bai, 1826-7 (1828)), p. 38, though frequently cited 

 does not appear to be this species.] 



First recorded as British in 1824, by J. De C. Sowerby 

 {Linn. Trans., iv, 1825, p. .585), having been found 

 in the Surrey Commercial Docks by a Mr. J. Bryant. 



British Distribution in Tinie : Holoceue and Recent, 



