FAMILY LYMN.tlD^ 01 



Orbts SCHROTKR, Journ. Steinr. u. Konch., iii, p. lo, 1776, an error of cita- 

 tion for Planorbis Argenville. 

 Kor/if^ Anonymous in Mils. Calonn., p. 58. 1797, Helix cornea Linnc. Not 



Vortex Oken, 181 5. 

 < Anisits Studek, Syst. Verz., p. 23, 1820 { = P/unorbis + Physa). 

 y. Anisus Fnzi}<GER. Verz., p. 111, 1833; not of Diijardin, 1821. 

 f Com u Schumacher, Essai, p. 255, 1817, not of Born, 1778. 

 'y Spiralina Hartmann, Syst. Uebers., tab. 1840. (Nude name.) No type 



cited. 

 Phmorbarius Du.meril, Zool. Anal., p. 164, 1806. 

 Core/us Gray (not Adanson), P. Z. S., 1847, p. 180, P. corneus L. — Mrs. 



Gray, Figs. Moll. An., iv, p. 119, 1850. — Moquin Tandon, Moll. Terr. 



et Fluv., II, p. 423, 1855. — Gray's Turton's Man., ed. 11, p. 233, 



1857. 

 Spirodisciis Stein, Schn. u. Muscheln lierlins, p. 73, 1850. — MoRcn, Vidensk. 



Meddels. Kjobn., 1864, p. 309. —Westerlunu, Acta See. Fauna Fen- 



nica, XIII, No. 7, p. 112, 1897 ; Acta Acad. Sci. Slav. Merid., Zagrabiie, 



CLI, p. 120, 1902; S. corneus {ySrvxii). 

 Tropidhcus Westerlund, Fauna Pal. Reg.,v, p. 65, 1885, not of Stein; 



Acta. Acad. Sci. Slav. Merid., Zagrabise, cli, p. 120, 1902; Helix plan- 



orbis Linne. 

 f Caillaudia Bourguignat, Hist. Mai. de I'Abyssinie, p. 128, 1883; ist sp. 



C. angulata Bourg., pi. viii, figs. 49-52, op. cit. — Westerlund, Acta 



Acad. Sci. Slav. Merid., Zagrabiic, cli, p. 139, 1902 (a deformed or 



monstrous form of Planorbis). 



Subgenus Planorbis s.s. 



Type Planorbis cornctis Miiller. 



(Synonymy of the group given under the generic name.) 



Section Plaxorbina Ilaldeman. 



Planorbina Haldeman, Men. Limn., Physadit, p. 14, 1842, no type cited. 

 Menetus Fischer, Man., p. 509, 1883 ; P. guadeloupensis Sowerby ; not 



Menchis Adams, 1855. 

 A/tisiis Gray, P. Z. S., 1847, p. 181 ; /". olivaceus Spix ; not Anisus Studer, 



1820. 



Subgenus Helisoma Swainson. 



Helisoma Swainson, Malac, p. 337, 1840; P. bicarinaf us Stowerhy. 

 Taphius H. and A. Adams, Gen. Rec. Moll., 11, p. 262, 1855 ; P. andecolus 



Orbigny. 

 ? Anisopsis Sandberger, Land u. Siissw. Conch, d. Vorwelt, p. 958, 1875 '' ^• 



lorvi Coq., and P. calculus Sandb., Jurassic. 



Section Pierosoma Dall, nov. 

 Helisoma (sp.) Auct., not of Swainson ; P. trivolvis Say. 



Section Planorbella Haldeman. 



Planorbella Haldeman, Mon. Limn., Physadcr, p. 14, 1842 ; P. campanulatus 



Say. 



