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, Mliller, Verm, ii, 202, 1774. 

 Sphcerium corneum, Scopoli, Introduct. 397, 1777. 

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



1778. 

 Nux 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, 



56, 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, Kriiger, Gesch. Urwelt. ii, 469, 1823. 

 Cyclas fossarum, Krynicki, in litt. 183 — 

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



1837. 

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

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

 Cyclas plumb eus. Villa., loc. sup. cit. 44, 1841. 

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



xxxix, f. 19, 1842. 

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



1843. 

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

 Cyclas isocardioides, Normand, Dupuy, Hist. Moll. Fr. QQ^, 



1852. 

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



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



10. Sph. Creplini, Dunker. 



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



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



1854. 

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



