74 PLANORBIDiE 



1819. PlcDiorhs coiiieus, Linn. : Leach, Moll. Brit. Synop. 



(proofs), p. 155. 

 1821. Planorhis conieus, Linn. : C. Pfeiffer, Naturg. Deutsch. 



Moll, i, p. 77, pi. iv, f. 3 & 4. 

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

 1827. Planorbis corneus, Lam. : Brown, Illust. Conch. Brit., 



ed. 1, pi. xJi, f. 31-33. 



1830. Planorbis corneus, Linn. : Jeffreys, Trans. Linn. Soc, 



xvi, p. 383. 



1831. Planorbis corneus, Linn. : Turton, Manual, p. 112, f. 95. 

 1839. Planorbis Metidgensis, nov. sp. : Forbes, Ann. Nat. 



Hist., ii, p. 254, pi. xii, f. 5. 



1810,^ Planorbis corneus, Linn. : Gray, in Turton's Manual, 



Apr. / new ed., p. 258, pi. viii, f. 95. 



Post \ 



q , [ Planorbis corneus, Drapernaud : Brown, Illust. Conch. 



J'gPQ j Brit., ed. 2, p. 31, pi. xiv. f. 31-33. 



1845. Planorbis corneus, Drapernaud : Brown, Illust. L. & 



F.-W. Conch. Brit., p. 17, pi. iii, f. 21-23; 



xxiv, f. 26. 

 ?1847. Helix Biblis, Ch. : Nardo, Sinon. Species Chiereghim, 



col. 85. 

 1847, '^ Coretus corneus : Gray, Proc. Zool. Soc. Lond., 1847, 

 Nov. / p. 180. 



18.50. Planorbis (Spirodiscus) corneus : Stein, Lebend. Schneck. 



& Musch. Berlins, p. 73. 

 1851. Planorbis similis,Bielz: M. Bielz, Verhandl. Siebenbiirg. 



Ver. NaturuK, ii, p. 63. 

 1852, 1 Planorbis corneus. Linn. : Leach, Moll. Brit. Synop., 

 Feb. / p. 112. 



1852,^ Planorbis corneus, Linnseus : Forbes & Hanley, Brit. 

 Apr. j Moll., iv, p. 147, pi. cxxvi, f. 4 & 5. 



1856. Planorbis (Coretus) corneus, Linn. : Moquin-Tandon, 



Hist. Moll. France, ii, p. 445, pi. xxxi, f. 

 32-38. 



1857. Planorbis (Coretus) corneus, Linn. : Gray, in Turton's 



Manual, new ed., p. 233, pi. viii, f. 95. 

 1859. Planorbis Etruscus, Ziegl. MS. : Bourguignat, Rev. <& 



Mag. Zool., Ser. II, toni. xi, p. 514. (Amenit. 



Malac, ii, p. 127, pi. xviii, f. 1.) 

 1859. Planorbis elophilus : Bourguignat, t. c, p. 515, pi. xix, 



f. 1-3. (t. c, p. 128, pi. xvi, f. 1-3.) 

 1859. Planorbis Nordenskioldi : Bourguignat, t. c, p. 516. 



(t. c, p. 128.) 

 1859. Planorbis anthracius : Bourguignat, t.c, p. 516-, pi. 



XX, f. 1-3. (t. c, p. 130, pi. xvii, f. 1-3.) 

 1859. Planorbis Banaticus, Lang MSS. : Bourguignat, /. c, 



p. 517, pi. xix, f. 10-12. (t.c, p. 130, pi. 



xvi, f. 10-12.) 



