88 PLANORBID^ 



1767. Helix complanala: Linnaeus, o. c, ed. 12, p. 1242, 



no. 663. 

 1786. Helix fontana : Lightfoot, Phil. Trans. Boy. Soc, Ixxvi, 



p. 165, pi. ii [a], f. 1-4. 

 1791. Helix complanata : Gmelin, in Linn. Syst. Nat., ed. 13, 



i, pt. 6, p. 3617, no. 21. 



. ' \ Planorbis coinplanatus : Poiret, Coq. Aisne, p. 93. 



\%Q\,\ Planorhis nitidus, Mull, [pars]: Draparnaud, Tabl. 



July. J Moll. France, p. 45. 



1803. Helix fontana, Lightfoot : Montagu, Test. Brit., p. 462, 



pi. vi, f. 6. 

 [According to Montagu {Test. Brit., Suppt., p. 146) this 

 species occurred in the Portland Collection under 

 the name of Helix nautiloides.] 

 1805. Planorbis complanatus : Draparnaud, Hist. Moll. 



France, p. 47, pi. ii, f. 20-22. 

 1807. Helix fontana, Lightfoot : Maton & Rackett, Trans. 



Linn. Soc, viii, p. 193. 

 1813. Helix fontana : Rackett, in Pulteney, Cat. Dorset., ed. 2, 



p. 53, pi. xix, f. 19. 

 1813? Planorbis fontanus : Fleming, Edinb. Ency., vii, p. 69. 

 1817. Helix fontana, Lightfoot : Dillwyn, Cat. Shells, ii, p. 898. 

 ?1820. Planorbis lenticularis : Studer, Naturw. Anz. Allg. 



Sclmeiz. Gesell., iii, p. 91. (In reprint, " Syst. 



Verzeichn.," p. 24.) [Studer took the specific 



name from Alten, but the identity of Alten's 



species is very doubtful.] 

 1821. Planorbis lenticularis: Hartmann, Ncue Alpina, i, 



p. 256. [Hartmann in his nomenclature 



followed Studer.] 

 1821. Planorbis complanatus, Drap. : C. Pfeiffer, Naturg. 



Deutsch. Moll, i, p. 83, pi. iv, f. 14. 

 1823. Helix nitida : [Brown], Ency. Brit., ed. 6, vi, p. 458. 

 1827. Planorbis lacustris, Brown's MSS. : Brown, Illust. Conch. 



Brit., ed. 1, pi. xli, f. 50 & 51. 



1830. Planorbis nitidus, Miill. : Jeffreys, Trans. Linn. Soc, 



xvi, p. 388. [Non Miiller.] 



1831. Planorbis fontanus, Mont. : Turton, Manual, p. 110, 



f. 93. 

 1833. Anisus complanatus, mihi : Fitzinger, Beitr. Landesk. 



Oesterr., iii, \). 111. 

 1837. Planorbis (Hippeutis) complanatus, DraTp. : Charpentier, 



Neue Denkschr. Ally. Schweiz. Gesell., i [no. 2], 



p. 22. 

 1837. Planorbis {Segmenlina ?) fontana, Turton : Beck, Index 



Moll, p. 123. 

 1840,\ Planorbis nitidus, Miiller : Gray, in Turton's Manual, 



."•} 



Apr. / new ed., p. 268, pi. viii, f. 93. [Non Miiller.] 



