MARPESSA 277 



1833. Clansilia Rolphii, Leach : Jeffreys, Trans. Linn. Soc, 



xvi, p. 513. 



1840,\ Clansilia (Iphigoiia) Rolphii: Gray, Turton's Maniuil, 



Apr. ) new ed., p. 215, pi. v, f. 54. 



Post 1 



Q , [ Clausilia Rolphii, Leach MSS. : Brown, lllust. Conch. 



jgPj- j Brit., ed. 2, p. 38, pi. xviii, f. 31. 



1845. Clausilia Rolphii, Leach MSS. : Brown, lllust. L. & 

 (& F.-W. Conch. Brit., p. 41, pi. iv, f. 39 & 40. 

 1852,\ Clausilia Rolphii: Leach, Moll. Brit. Synop., p. 86, 

 Feb. / pi. viii, f. 7. 



1852,'! Clausilia plicalula, Draparnaud : Forbes & Hanley, 

 Mar. / Brit. Moll, iv, p. 120, pi. cxxix, f. 3. 



?1853. Clausilia Mortillet [sic] : Dumont, Bull. Soc. Hist. Nat. 

 Savoie, p. 78. [Teste Pfeiffer.] 



1856. Clausilia {Iphigoia) rolphii. Gray : Moquin-Tandox, 



Hist. Moll. France, ii, p. 343, pi. xxiv, 

 f. 32-35. 



1857. Clausilia {Iphigenia) Rolphii, Gray : Gray, Turton's 



Manual, new ed., p. 185, pi. v, f. 54. 

 1859. Clausilia satelles, A. Schmidt olim : Pfeiffer, Mon. 

 Helic. viv., iv, p. 763, in synon. 



1862. Clausilia Rolphii, Gray : Jeffreys, Brit. Conch., i, 



p. 281 ; V, pi. xvii, f. 3. 



1863. Clausilia Rolphii, Gray: Reeve, L. & F.-W. Moll. 



Brit. Is., p. 102, figs. 

 1877. Clausilia {Pyrostoina) Rolphii, Leach : Clessin, Deutsch. 



Excur. Moll. Fauna, p. 249, f. 139. 

 1884. Clausilia {Pirostoma) rolphi (Leach) Gray : Westerlunp, 



Fauna PaUiarct. Region, iv, p. 200. 



[Germain {Moll. France, ii, p. 206) considers CI. digono- 

 stoma, Bonrg. ; and CI. oxiniomicra, Bourg., to be 

 synonyms.] 



First recorded as British in 1820, by Ferussac, as Helix 

 {Clausilia) Rolphii. {See ref. above.) 



British Distribution in Time : Holocene and Recent. 



(Sub-fam. : Marpessin.^;.) 



Genus : 4. MARPESSA, Gray. 



Etym. : — Named after Marpcssa, the daughter of Evenus. 

 Type : — Clausilia bidens = CI. laminata, Montagu. 

 {Helix, Turbo, Strombiformis, Bulimus, Cerion, Papa, Clansilia, 

 vett. auct.) 



1821. Marpessa, subg. of Clausilia : Gray, Lond. Med. Repos., 

 XV, p. 239. [Non Marpe-sia, Hubuer, 1816; 

 iiec Marpissa, Koch, 1847.] 



