32 ASSIMINEID^ 



Post 

 Sept. 

 1840. 



Miiller : Gray, in Turton's Manual, 

 Apr. / new ed., p. 98, pi. x, f. 115-117. 



Valvata cristala, Miiller : Brown, lUust. Conch. Brit. 

 ed. 2, p. 28, pi. xiv, f. 66 & 67. 



1845. Valvata cristata, Miiller : Brown, Illust. L. & F.-W. 



Conch. Brit., p. 7, pi. i, f. 18 & 19. 

 1850. Valvata cristata, Miiller : Forbes & Hanley, Brit. Moll., 



iii, p. 21, pi. Ixxi, f. 11-13. 

 1852. Valvata Mulleri : Leach, Moll. Brit. Synojj., p. 205. 



1856. Valvata cristata, Miill. : Moquin-Tandon, Hist. Moll. 



France, ii, p. 544, pi. xli, f. 32-42. 



1857. Valvata cristata, Miiller : Gray, in Turton's Manual, 



new ed., p. 36, pi. x, f. 115-117. 



1862. Valvata cristata, Miiller : Jeffreys, Brit. Conch., i, p. 74 ; 



V, pi. iv, f. 9. 



1863. Valvata cristata, Miiller : Reeve, L. d F.-W. Moll. 



Brit. Is., p. 200, figs. 



1864. Valvata [Tropidina) minuta, Drp. : Morc:h, Synop. Moll. 



DanicB, p. 58. 

 1870. Valvata {Planorhitana) cristata, Miill. : Betta, Atti 



Accad. Agric. Verona, xlvii, mem., p. 127. 

 1870. Valvata {Planorhitana) spirorhis, Drap. : Betta, I. c. 

 1877. Valvata {Gyrorhis) cristata, Miiller : Clessin, Deutsch. 



Excur. Moll. Fauna, p. 309, f. 169. 



[Germain [Moll. France, ii, p. 323) cites Valvata pilanor- 



bulina, Paladilhe, as a synonym.] 

 First recorded as British in 1784, by Boys & Walker 



(Test, minut. rar., p. 5, pi. i, f. 18 & 19). 

 British Distribution in Time : Pliocene to Recent. 



Fam. : ASSIMINEID^. 

 Genus : 1. ASSIMINEA (Leach MS.), Fleming. 



Etym. : — Uncertain, but not improbably intended in honour of 

 the celebrated oriental scholar Joseph Simon Assemani, 

 Leach's handwriting being misread by Fleming and Gray. 



Type : — Assiminea Grayana (Leach MS.), Fleming. 



1821. tSyncera, subg. of Nerita : Gray, Lond. Med. Repos., xv, 



p. 239. 

 1828. Assiminea (Leach MS.) : Fleming, Hist. Brit. Anim., 



p. 275. 

 1835. Assiminia : Gray, PJiil. Trans. Roy. Soc, cxxv, y>. 303. 

 1839. Assaminia : Gray, in Zool. Becehey's Voy., p. 141. 

 1851. Syncera, Gray : S. P. Woodward, Manual Moll., p. 137. 

 1900. Asseinania : Knight, Joarn. of Conch., ix, p. 276. 



