PLANORBIS 71 



1855. Planorhis Linnei, mihi [pars] : Malm, Gotheb. K. Vet. & 



Vilt. Samhdlles Handl., N.F. iii, p. 137. 

 1S55,"| Planorhis (Anisus) marqinalus, Drap. : H. & A. Adams, 

 Nov. / Genera Moll, ii, p. 263. 



185G. Planorhis (Gyrorhis) compkmatiis, Linn. : Moquin- 



Tandon, Hist. Moll. France, ii, p. 428, pi. 



XXX, f. 18-28. 

 1857. Planorhis (Gyrorhis) complanatus, Linn. : Gray, in 



Turton's Manual, new ed., p. 240, pi. viii, 



f. 87, 88 & 90. 



1862. Planorhis complanatus, Linne : Jeffreys, Brit. Conch., 



i, p. 91 ; V, pi. vi, f. 2. 



1863. Planorhis complanatus, Linnseus : Reeve, L. <& F.-W. 



Moll. Brit. Is., p. 143, figs. 

 1873. Planorhis (Tropidiscus) umhilicatiis, Mull. : Westerlund, 



Fauna Moll. Svec, p. 374. 

 1875. Planorhis (Anisus) umhilicatus, Miiller : Sandberger, 



Land- & Siissw.-Conch. Vorwelt, p. 779, pi. 



XXXV, f. 8 [as P. complanatus]. 

 1877. Planorhis (Tropodiscus) [sic] marginatus, Draparnaud : 



Clessin, Deutsch. Excur. Moll. Fauna, 



p. 398, f. 251. 

 1902. Planorhis (Tropidiscus) planorhis, Lin. : Westerlund, 



Rad Juyoslav. Akad., cli, p. 120. 

 1909. Planorhis (Gryorhis) umhilicatus, Miiller : Germain, 



Bull. Soc. Sci. Nat. Elbeuf, xxvii, p. 151. 



[Germain (Moll. France, ii, p. 253) gives as synonyms : — 

 Planorhis suhmarginattts, Crist. & Jan ; and P. 

 salonensis, Florence.] 



First recorded as British in 1674, by M. Lister (Phil. 

 Trans., ix, p. 99, pi. ii, f. 24). 



British Distribution in Time : Cromerian to Recent. 



[The Pliocene P. prcBcursor, Kennard & Woodward, 1911, 

 had previously been referred to P. marginatus , Drap.] 



2. Planorhis (s.s.) carinatus, MuUer. 

 Etym. : — Lat. carinatus, keeled. 



1774. Planorhis carinatus : Muller, Verm. Hist., ii, p. 157. 

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



i, pt. 6, p. 3617. 

 1801, \ Planorhis carinatus, a : Draparnaud, Tahl. Moll. 

 July.j France, p. 45. 



1803, Helix carinata (Miiller): Montagu, Test. B i'., p. 451, 



pi. XXV, f. 1. 



1805. Planorhis carinatus, Mull. : Draparnaud, Hist. Moll. 



France, p. 46, pi. ii, f. 13 & 14. 

 1807. Helix planata : Turton, Brit. Fauna, p. 187. 

 1807. Helix planorhis, Linn, [pars] : Maton & Rackett, 



Trans. Linn, Soc, viii, p. 188. 



