152 



7. Sph. COntractum, Prime, Cat. Corb. ii, 1863. 



Smith. Inst. Misc. Coll., Prime Monog. Corb. 48, f. 46, 

 1865. Alabama^ U. S. of America. 



8. Sph. Cooperianum, Prime, in litt. California. 



9. Sph. corneum, Scopoli. 



Chama cinerea^ d'Argenville, Hist. nat. Lithol. Conch. 2d 

 edit. 326, 321, pi. xxvii, f. 9, 1742. 



Tellina cornea, Linnaeus, Syst. Nat. x, edit, i, 678, 1758. 

 Tellina rivalis, Miiller, Verm, ii, 202, 1774. 

 Sphanium corneum, Scopoli, Introduct. 397, 1777. 

 Cardium nux, Dacosta, Brit. Conch. 173, pi. xiii, f. 2-2, 



1778. 

 Nuz nigella, Humphrey, Mus. Calonn. 59, 1797. 

 Cardium amnicum, Pultney, Cat. Dorset. 31, 1799. 

 Cyclas cornea, Draparnaud, Tabl. Moll. 195, 1801. 

 Cardium corneum, Montagu, Test. Brit. 86, 1803. 

 Cyclas rivalis, Draparnaud, Hist. Moll. 129, pi. x, f. 4, 5, 



1805. 

 Cornea communis, Megerle, Mag. Gesell. Naturf. Berlin, v, 



bQ, 1811. 

 Cyclas alata. Leach, in litt. in Mus. Brit. 1818-19-20. 

 Cyclas stagnicola. Leach, in litt. in Mus. Brit. 1818-19--20. 

 Cycladites corneus, Krliger, Gesch. Urwelt. ii, 469, 1823. 

 Cyclas fossarum, Krynicki, in Vitt. 183 — 

 Cyclas nucleus, Studer, Nouv. Mem. Soc. Helv. Sc. Nat. i, 25, 



1837. 

 Cyclas tumida, Zeigler, in litt. Feruss. Cat. 20, 1837. 

 Cyclas LeacJiii, Zeigler, in litt. Villa. Cat. 44, 1841. 

 Cyclas plumbeus, Villa., loc. sup. cit. 44, 1841. 

 Cyclas citrina, Brown, Illust. Conch. Gr. Brit. etc. 93, pi. 



xxxix, f. 19, 1842. 

 Cyclas flaveseens, Macgillivroy, Hist. Moll. An. 208, 246, 



1843. 

 Pisidium cornea, Verany, Descriz. Genova, ii, 1846. 

 Cyclas isocardioides, Normand, Dupuy, Hist. Moll. Fr. Q6S, 



1852. 

 Sph. corneum, Scopoli, Mem. Soc. Sc. phys. et nat. Bord. 1. 



1854. Prime, Cat. Corb. 12, 1863. Uurope. 



10. Sph. Creplini, Dunker. 



Cyclas Creplini, Dunker, Zeit. Malak. 20, 1845. 



Fisum Creplini, Deshayes, Brit. Mus. Cat. Conchif. 280, 



1854. 

 Sfh. Creplini, Dunker, Normand. Cycl. Dept. Nord. 3, 1854. 



