DREISSENSIA 295 



Class : PELECYPODA. 

 Order : EULAMELLIBRANCHIA. 



(Sub-order : SUBMYTILAGEA.) 



Fain. : DREISSENSIIDiE. 



Genus : 1. DREISSENSIA, Boneden (em.). 



Etym. : — Named in honour of M. Dreissens of Mazeyk. 

 Type : — Myluhis polyinorphus, Pallas. 

 (Mijtilus, Pinna, Concjeria, vett. auctt.) 



T '^' i Driessena : Beneden, Bull. Acad. Bruxelles, li, p. 25. 

 Jan. J 



■p, ^' [ Dreissena : Dumortier, Bull. Acad. Bruxelles, ii, p. 44. 



. ' \ Driessenia : Bull. Acad. Bruxelles, ii, Index, p. iii. 



1835, \ Dreissena : Beneden, Ann. Sci. Nat., Ser. II (Zool.), 

 Apr. / ■ iii, p. 193. (Descript., p. 210.) 



,' ■ ' ' - Tichoqonia : Rossmassler, Icon., i, p. 112. 

 A])r. J > ) J r 



1835. Dithalmia : Jay, Cat. Shells, p. 19. 



1836. Dythalmia : Jay, o. c., ed. 2, p. 25. [In ed. 3, 1839, 



p. 4, Jay states in answer to G. B. Sowcrby 

 that " M. Muhlfield is the author of Dythal- 

 mia Danuhii " ; but this cannot be verified.] 



,^„y j Mytilinia : Cantraine, Bull. Acad. Bruxelles, iv, p. 111. 



,r '- (Reprinted with additions in Ann. Sci. Nat., 



-'^^- [ Ser. II (Zool.), vii, May, 1837.) 



1840. Dreistena [err. typ.] : BoUE, Turquie d'Europe, i, p. 477. 



1842. Dreissina : G. B. Sovverby (II), Conch. Manual, ed. 2, 

 p. 141. 



1848. Dreissenia : Bronn, Irulex Pala-ont., abth. i. A, Nornencl. 

 Palcpontol, p. 437. 



ISCl. Dreyssena, Van Beneden : Hensche, Schrift. phys.-okon. 

 Gesell, Koniyshery, ii, p. 89. 



1862. Dreissensia : Bronn, Klass. & Ord. Thier-Rcichs, iii, 



abth. 1, p. 478. 



1863. Driessensia : Dewalque, Bull. Soc. Gcol. France, Ser. II, 



tom. XX, p. 797. 

 1873. Myliloinya, Cantr. : Marschall, Nornencl. Zool., p. 128. 



[Noti Cantrain, who only used the vernacular 



" Les Mytilomyes."] 

 1895. Dreyssentia, v. Beneden : Bernard, Elcm. Paleont., 



p. 561. [Non Beneden.] 

 1909. Dreyssensia : Honigmann, Zeilschr. f. Natunv., Ixxxi, 



p. 300. 



