80 PLANORBID^ 



1819. Planorhis imhricalus, Miill. : Leach, Moll. Brit. Synop. 



(proofs), p. 160. 

 1821. Planorhis imbricatus, Miill. : C. Pfeiffer, Naturg. 



Deutsch. Moll, i, p. 84, pi. iv, f. 15. 

 182.3. Turbo nautileus : [Brown], Eiicy. Brit., ed. 6, vi, p. 457. 



1826. Plaiiorbis cristaius, Draji. : Risso, Hist. Nat. Europ. 



merid., iv, p. 98. 



1827. Planorhis imbricatus, Lam. : Browx, lUust. Conch. Brit., 



ed. 1, pi. xli, f. 46 & 47. 



1828. Planorhis nautilus [sic], Linn. : Fleming, Hist. Brit. 



Anim., p. 278. 



1830. Planorhis imbricatus, Miill. : Jeffreys, Travis. Linn. 



Soc, xvi, p. 388. 



1831. Pkniorhis imbricatus, Drap. : TuRTOX, Manual, p. Ill, 



f. 94. 

 1837. Planorhis (Gyraulus) imbricatus, Drap. : Charpentier, 



Neue Denkschr. Ally. Schwciz. Gesell., i 



[no. 2], p. 21. 

 1837. Planorhis (Gyraulus) crisfatus, Drap. : Charpentier, 



I.e. 

 1840,1 Planorhis imbricatus, Miiller : Gray, in Turton's Manual, 

 Apr. J new ed., p. 261, pi. viii, f. 94. 



Post.i Planorhis imbricatus, Miiller: Brown, Ulust. Conch. 

 Sept. [ Brit., ed. 2, p. 31, pi. xiv, f. 46 & 47, xviii, 



1840. J f. 10. 



1842. Armiyer cristatus, m. : Hartjiann, Erd- cfc Siissw.- 



Gasterop., pp. 172 & 179. 

 1845. Planorhis imbricatus, Miiller : Brown, Ulust. L. <£• F.-W. 



Conch. Brit., p. 19, pi. iii, f. 40-43. 

 1850. Planorhis [Nautilina) nautileus : Stein, Lebend. Schncck. 



& Musch. Berlins, p. 81. 

 1852,) Planorhis imbricatus, Miill. : Leach, Moll. Brit. Synop., 

 Feb. / p. 115. 



1852,1 Planorhis nautileus, Linnseus : Forbes & Hanley, Brit. 

 Apr. j Moll., iv, p. 152, pi. cxxvi, f. 6 & 7. 



1855. Planorhis {Nautilina) nautileus, Linn. : H. & A. Adams, 



Genera Moll., ii, p. 264. 



1856. Planorhis (Gyraulus) nautileus, Linn. : Moquin-Tandon, 



Hist. Moll. France, ii, p. 438, pi. xxxi, f. 6-11. 



1857. Planorhis (Gyraulus) nautileus, Linn. : Gray, in Turton's 



Manual, new ed., p. 236, pi. viii, f. 94. 



1862. Planorhis Nautileus, Linne : Jeffreys, Brit. Conch., i, 



p. 82 ; V, pi. V, f . 3. 



1863. Planorhis crista, Linneeus : Reeve, L. d- F.-W. Moll. 



Brit. Is., p. 141, figs. 



1864. Planorhis (Gyraulus) crista, L. : Morch, Synop. Moll. 



DanicE, p. 53. 

 1873. Planorhis (Armiyer) crista. Liu. : Westerlund, Fauna 

 Moil. Svec, p. 399. 



