304 SPH^RIID^ 



1854,) SphccriiDn SatMianum, Nob. : Normand, Coup d'ceil 



June.) Cyclades, p. 1. 



1854, \ Sphwriuni Scaldianum, var. B. S. citrinum, Nob. : 



June./ Normand, o. c, p. 1. 



1854, \ Cyclas isocardioides, Nob. oliin in litt. : Normand, o.c, 



June.j p. 2, in synon. 



,np., 1 Sphcerium {Sphccriastriun) Scaldianum: Bourguignat, 



y, ' y Rev. cfe Mar/. Zool., Ser. II, torn, vi, p. 669. 



j {Amen. Malac, i, p. 67.) 



1854,) Spkccrium {SphcBriastrum) corneum : Bourguignat, I. c. 

 Dec. / (1. c.) 



1856, ) Cyclas cornea, Linn. : Moquin-Tandon, Hist. Moll. 

 Apr. / France, ii, p. 591, pi. liii, f. 17-30. 



1856,1 Sphmrium pisidioides, n. sp. : Gray, Ann. <& Mag. Nat. 

 July./ Hist., Ser. II, vol. xviii, p. 25. 



1857. Cyclas cornea, Linn. : Gray, in Turtou's Manual, new 



ed., p. 253, pi. i, f. 2. 

 1857. Cyclas pisidioides. Gray : Gray, o. c, p. 255. 



1862. Sphcerium corneum, Linne : Jeffreys, Brit. Conch., i, 



p. 5; V, pi. i, f. 1. 



1863. Cyclas cornea, Linnaeus : Reeve, L. & F.-W. Moll. Brit. 



Is., p. 238, figs. 



1863. Cyclas pisidioides, Gray : Reeve, o. c, p. 239, figs. 



1873. Sphcerium {Corneola) corneum (Lin.) : Clessin, in 

 Westerlund, Fauna Moll. Svec, pt. ii, p. 505. 



1890. Sphcerium {Cyclas) cor)ieum, Linne : Westerlund, 

 Fauna Paldarct. Region, vii, p. 8. 



1890. Sphwrium {Cyclas) scaldianum Normand : Wester- 

 lund, t. c, p. 9. 



1890. Sphcerium, {Cyclas) scaldianum, var. pisidioides, Gray : 

 Westerlund, /. c, p. 10. 



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



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

 British Distribution in Time : Pliocene, Pleistocene to 



Recent. 



5. fSphserium dickinii, Clessin. 



Etym. : — Named in honour of Herr Dickin. 



1877. Spkerium Dickinii, n. sp. : Clessin, in Martini & 

 Chemnitz, Conch. Cab., ed. 2, ix, abth. 3, 

 Cycladeen, p. 96, pi. xii, f. 18-20. 



1877. Sphcerium {Corneola) Dickinii, Clessin : Clessin, Deutsch. 

 Excur. Moll. Fauna, p. 490, f. 317. _ 



1880. Sphcerium corneum, var. mcenaniwi : Kobelt, in Ross- 

 massler. Icon., vii, p. 87, pi. ccviii, f. 2111. 



1885. Sphcerium {Corneola) moenanum, Kobelt : Clessin, 

 Deutsch. Excur. Moll. Fauna, ed. 2, p. 574, 

 f. 386. 



