]8 PLIOCENE MOLLUSC A. 



Gewis COCHLICOPA, Ferussac, 1820. 

 Cochlicopa lubrica (Miiller). 



1774. Helix lubrica, Miiller, Verm. terr. fluv. Hist., pt. ii, p. 104, uo. 303. 



1853. Zua lubrica, Forbes and Hanley, Brit. Moll., vol. iv, p. 125, pi. cxxv, fig. 8. 



1862. Cochlicopa lubrica, Jeffreys, Brit. Conch., vol. i, p. 292, pi. xviii, fig. 2. 



1874-9. Bulimus lubricus, S. V. Wood, Mon. Crag Moll., 1st Suppl., p. 1874, 187; 2ud Suppl., 



p. 38, tab. iv, fig. 10, 1879. 

 1890. Zua subcylindrica, C. Eeid, Plioc. Dep. Brit., p. 230. 

 1897-1901. Cochlicojm lubrica, Kennard and B. B. Woodward, Essex Nat., vol. x (table), 1897 ; Proc. 



Malac. Soc, vol. iii, p. 193, 1899 ; Proc. G-eol. Assoc, vol. xvii, pp. 215 et seq., 1901. 



Specific CJiaracfers. — Shell minute, smooth, elongated, oblong, the lower part 

 subcylindrical ; whorls 5 or 6, tumid, regularly tapering upwards, the last about 

 half the total length, the upper one contracted ; apex rounded ; suture moderately 

 deep, rather oblique ; mouth oval, angulated above ; outer lip thick, strengthened 

 within, not expanded. 



Dimensions. — L. 5 mm. B. 2 mm. 



Distrihutioii. — Recent: widely distributed in the Northern Hemispli ere; Great 

 Britain and Ireland ; Europe; Asia; Africa; North and South America ; Madeira, 

 the Azores ; New Zealand. 



Fossil: Butleyan Crag : Butley (Ipswich Museum). Freshwater 

 bed, West Runton (C. Reid). Abundant in Pleistocene and Holocene deposits of 

 Great Britain and Ireland. 



Lower Pleistocene : Mosbach. Middle Pleistocene : Cannstadt, Weimar and 

 Miilhausen in Thuringia (Kennard and B.B.Woodward). Pleistocene loess : St. 

 Gall, Switzerland; Lower Rhineland, Germany; Nussdorf, Austria. Pleistocene 

 deposits : Haute Garonne, France ; Muscatine, Iowa ; Lawrenceburg, Indiana. 

 Kitchen middens of Maine and Massachusetts (J. W. Taylor). Newer Holocene: 

 Sweden and Denmark (Nordmann). 



Remarks. — The only specimens of G. luhrica recorded from the Crag are those 

 mentioned by Wood in 1874 which were found by the Rev. H. Canham at Butley, 

 and are now in the Ipswich Museum. Messrs. Kennard and B. B. Woodward 

 state, as given above, that the earliest records of this species on the Continent are 

 from the Lower and Middle Pleistocene of southern Germany. 



Genus JAMINIA, Leach, 1852. 



Jaminia muscorum (Linne). 



1758. Turbo muscorum, Linue, Syst. Nat., ed. x, p. 767, uo. 568. 



1774. Helix muscorum, Miiller, Verm. terr. Huv. Hist., pt. ii, p. 105, no. 304. 



1805. Pu2)a marginata, Draparuaud, Hist. Nat. Moll. terr. fluv. France, p. 61, pi. iii, figs. 36 — 38. 



