520 , PLIOCENE MOLLUSCA. 



GeMits LIOMESUS, Stimpson, 1865 {continued from Vol. 1, p. 116). 

 Liomesus Dalei (J. Sowerby). Plate XLV, figs. -1 — 6. 



1825. Buccinum Dalei, J. Sowerby, Min. Couch., vol. v, p. 139, pi. cccclxxxvi, figs. 1, 2. 



1842-48. Buccinum Dalei, S. V. Wood, Ami. Mag. Nat. Hist. [1], vol. ix, p. 540, 1842 ; Mod. Crag 



Moll., pt. i, p. 34, pi. iii, fig. 10, 1848. 

 1844-81. Buccinnm crassum, Nyst, Coq. foss. Terr. tert. Belg., p. 569, pi. Ixiv, fig. 7; B. Dalei, 



p. 570, 1844 ; Buccinopsis Dalei, var. crassa. Conch. Terr. tert. Belg., p. 17, pi. ii, fig. 1, 1881. 

 1853. Buccinum Dalei, Forbes and Hauley, Brit. Moll., vol. iii, p. 408, pi. cix, figs. 1, 2. 

 1859. Buccinum Dalei, G. B. Sovrerby, 111. Ind. Brit. Shells, pi. xviii, fig. 12. 

 1867-71. Buccinojms Dalei, Jeffreys, Brit. Conch., vol. iv, p. 298, 1867 ; vol. v, p. 218, pi. Ixxxiii, 



fig. 2, 1869; in Prestwicli, Quart. Journ. Geol. Soc, vol. xxvii, pp. 142, 486, 1871. 

 1870-1911.^ Buccinopsis Dalei, A. Bell, Ann. Mag. Nat. Hist. [4], vol. vi, p. 214, 1870; Geol. Mag., 



vol. viii, p. 453, 1871 ; Journ. Ipswich Field Club, vol. iii, p. 15, 1911. 

 1872. Buccinopsis Dalei, A. and E. Bell, Proc. Geol. Assoc, vol. ii, pp. 203, 209, 213. 

 1874-1892. Buccinopsis Dalei, Van den Broeck, Ann. Soc. malac. Belg., vol. ix, pp. 260, 272, 1874; 



vol. xiv, p. 70, 1879 ; vol. xix, p. 18, 1884 ; Bull. Soc. Beige Geol., vol. vi (Memoires), pp. 121, 



181, 1892. 

 1878. Buccinopsis eburnea, G. O. Sars, Moll. Eeg. arct. Norv., p. 265, pi. xiii, fig. 13. 

 1887. Buccinopsis Dalei, Kobelt, Icon, schalentrag. europ. Meeresconch., vol. i, p. 116, pi. xxi, fig. 3. 

 1890. Buccinum Dalei, C. Reid, Plioc. Dep. Brit., p. 238. 



1896. Buccinopsis Dalei, var. crassa, Beruays, Bull. Soc. Beige Gt'oL, vol. x (Memoii'es), p. 128. 

 1896-1900. Buccinopsis Dalei, F. W. Harmer, Quart. Journ. Geol. Soc , vol. Hi, p. 756, 1896 ; vol. liv, 



p. 317, 1898 ; vol. Ivi, pp. 712, 719, 1900. 

 1902. LiomesuslDalei, Conch. Soc. List, Journ. of Conch., vol. x, p. 25, No. 494. 

 1906. Liomesus Dalei, Sykes, Proc. Malac. Soc, vol. vii, p. 341. 

 1912. Buccinopsis Dalei, Tesch, Med. v. d. Rijks. v. Delfstoffen, no. 4, p. 78, No. 190. 



Specific Characters. — Shell usually strong and solid, ovato-elongate, with a 

 truncated base ; whorls 5 or 6, decidedly convex, the last much the largest ; suture 

 deep ; spire varying in length, regularly enlarging, sometimes smooth, at others 

 ornamented by spiral striation as well as by conspicuous lines of growth ; mouth 

 large, angulated above, terminating in a short, wide, and open canal which turns 

 to the left ; outer lip gently curved, not expanded ; sculpture, where present, 

 generally very fine above, stronger below. 



Dimensions. — L. 30 — 50 mm. B. 15 — 30 mm. 



Distribution. — Recent: west coast of Ireland; Shetland, Aberdeenshire, soft 

 ground beyond the Dogger Bank. Norwegian coasts, Lofoten Islands. 



Fossil: Coralline Crag. Red Crag — Waltonian to Butleyan 

 {passim). Icenian : Chillesford, South wold, Easton Bavent, Bramerton, Postwick. 



Diestien, Casterlien, Scaldisien, Poederlien : Belgium. 



Scaldisien, Poederlien : Holland. 



Bemarlcs. — This shell, which has a limited range both as recent and as fossil, is 

 specially characteristic of the Anglo-Belgian Pliocene. In the Red Crag it is 



