302 SPHi^iRHDiE 



1890. Spli(Ermm (Cydas) rivicola (Leach) Lam. : Westerlund, 

 Fauna Paldarct. Region, vii, p. 6. 



First recorded as British in 1681, by M. Lister {Hist. 



Anim. Angl., Append., p. 14). 

 British Distribution in Time : Cronierian to Recent. 



2. fSphaerium radleyense, Kennard & Woodward. 

 Etyin. : — Named after Radley, near Oxford. 



1924:. Sphccriuin radleyense, sp. nov. : Kennard & Woodward, 

 Quart. Journ. Geol. Soc, Ixxx, p. 174, pi. ix, 

 f. 7-10. 



First recorded as British in 1924 as above. 

 British Distribution in Time : Pleistocene. 



3. tSphserium bulleni, Kennard. 



Etym. : — Named in honour of the Rev. R. Asliington Bullen. 



1911. Sphceri'mn Bulleni, n. sp. : Kennard, Proc. Malac. Soc. 

 Lond., ix, p. 325, figs. 



First recorded as British in 1911 as above. 

 British Distribution in Time : Cromerian. 



4. Sphserium corneum (Linne). 



Etym. : — Lat. corneus, horny. 



1758. Tellina cornea : Linn^us, Syst. Nat., cd. 10, p. 678, 



no. 57. 

 1767. Tellina cornea : Linn^us, o. c, ed. 12, p. 1120, no. 72. 

 1767. Chama tellina : Geoffroy, Traite Coq. Paris, p. 133. 

 1774. Tellina rivalis : Muller, Verm. Hist., ii, p. 202. 

 1777. Tellina cornea, Linn. : Pennant, Brit. Zool., ed. 4, iv, 



8vo, p. 89 ; 4to, p. 75, pi. xlix, f. 36. 



1777. Sphcerium corneum, Linn. : Scopoli, Introd. Hist. Nat., 



p. 397. 



1778. Cardium nux : DaCosta, Test. Brit., p. 173, pi. xiii, f. 2. 

 1791. Tellina cornea: Gmelin, in Linn. Syst. Nat., ed. 13, i, 



pt. 6, p. 3241, no. 76. 

 1799,) Gyclas cornea, Lin. : Lamarck, Mem. Soc. Hist. Nat. 

 May. / Paris, i, p. 84. 



1799. Cardium corneum. : Pulteney, Cat. Dorset., p. 31. 

 1801. Cyclas cornea, h: Draparnaud, Tabl. Moll. France, 



p. 105. 

 1803. Cardium corneum, Lin. : Montagu, Test. Brit., p. 86. 

 1805. Cyclas rivalis. Mull. : Draparnaud, Hist. Moll. France, 



p. 129, pi. x, f. 4 & 5. 

 1807. Tellina cornea, Linu. : Maton & Rackett, Trans. Linn. 



Soc, viii, p. 59, pi. vii, f. 2. 



