342 UNIONID^ 



Genus : 4. MARGARITIFERA, Schumacher. 



Etym. : — Lat. margarita, a pearl + fero, I bear. 

 Type : — Mya marfjaritifera, Linue. 

 {Mya, Unio, etc., vett. auctt.) 



1816. Margartifera [sic, err. typ.] : Schumacher, Overs. K. 



Dansk. Vidensk. Selsk. Forhandl., 1816, p. 7. 

 [Genotype M. fluviatilis, n. nov. for Unio 

 margaritiferus, Retzius. In the reprint of 

 1823 the name is further misprinted on p. vi, 

 " Margatifera."] 



1817. Margaritana : Schumacher, Essai nouv. Syst., i, 



p. 123. 

 1823. Alasmodonta, Say [pars] : Barnes, Amer. Journ. Set., 

 vi, p. 277. [Say's genus did not include 

 M. margaritifera.] 

 1828. Alasmodon : Fleming, Hist. Brit. Anim., p. 417. 



[This alteration of Say's name of Alasmodonta seems first 

 to have been suggested by " a friend of the Editor " 

 in Thomson's Ann. Phil., xvi, p. 110.] 

 1836. Margarita [pars] : Lea, Synop. Fatn. Naiades, ed. 1, 



p. 45. 

 1836. Alasmodonta [sic. pars] : Jay, Cat. Shells, ed. 2, 



p. 23. 

 1840. Damaris [Leach MS.] : Gray, in Turton's Mamuil, new 



ed., p. 293. 

 ,Q,_ i Damalis [sic], Leach MSS. 1818: Leach, commun. 

 X' . '\ J. E. Gray, Ann. d Mag. Nat. Hist., xx, 



^^*- [ p. 273. 



1847,1 " Baphia, Gevers, 1787 " : 1 Gray, Proc. Zool. Soc, 



Nov. J " Damalis [sic] Leach, 1819 " : / xv, 1847, p. 196. 



[Meuschen in Mus. Gevers., 1787, only used " BaphicB " 

 in the plural as a group name. Leach's name 

 " Damaris '' did not appear in the proofs issued in 

 1819.] 

 1851. '' Unionidium . . . Mus. Berl., 1818 " : Gray, List Brit. 

 Anim. in Brit. Mus., vii, p. 105. [A mis- 

 citation from Lichtenstein, Zool. Mus. Univ. 

 Berlin, ed. 2, 1818, p. 112, where Link's 

 Unionium of 1807 is employed subgenerically. 

 Link's name applies to marine forms includ- 

 ing the Pearl Oyster.] 

 1852, 1 jr)^„jg„-5 . Leach, Moll. Brit. Synop., p. 321. 



1852, \ Margaron [pars] : Lea, Synop. Fam. Na'iades, ed. 3, 

 June. J p. 43, 



