159 



S. aoUdum, Normand, Rev. Mag. Zool. 345, 1853. Mem. 

 Soc. Sci. Phys. Bord. i, 1854. Prime Cat. Corb. 12, 

 1868. Europe. 



45. S. sphaBricum, Anthony. 



Qyclas sphcerica, Anthony, Proc. Bost. Soc. N. H. Bost. iv, 



275, 1852. 

 Sj)h. sphcericum, Anthony, H. and A. Ad., Gen. Rec. Moll, 

 ii, 450, 1858. Prime Cat. Corb. 11, 1863. Smith. Inst. 

 Misc. Coll., Prime Monog. Corb. 50, f. 49, 1865. 



U. S. of America. 



46. S. stamineum, Conrad. 



Oyclas staminea, Conrad, Amer. J. Sci. xxv, 342, pi. 1, f. 5, 



1834. 

 C das fuscata, Rafinesque, Prime in Proc. Soc. N. H. Bost. 



iv,' 281, 1852. 

 Cyclas bulbosa, Anthony, loc. sup. cit. iv. 283, 1852. 

 Sph. stamineum, Conrad, Brit. Mus. Cat. Conchif. 267, 1854. 



Prime Cat. Corb. 9, 1863. Smith. Inst. Misc. Col!., 



Prime Monog. Corb. 38, f. 30, 1865. 



U. S. of America, 



47. S. Steinii, Schmidt. 



Cyclas Steinii, Schmidt, Zeit. Malak. 118, 1850. 

 Sph. Steinii, Schmidt, H. and A. Ad., Gen. Rec. Moll, ii, 

 450, 1858. G-ermany. 



48. S. striatinum, Lamarck. 



Cyclas striatina, Lamarck, An. v. 560, 1818. 



Cyclas edentula, Say, N. Harm. Dissem. 356, 1829. 



Cyclas striatina, Lamarck, Delessert. Recueil. pi. vii, f. 4, 



1841. 

 Cyclas cornea, C. B. Adams, Cat. 29, 1847. 

 Cyclas albula, Prime, Proc. Soc. N. H. Bost. iv, 155, 1851. 

 Cyclas tenuistriata. Prime, loc. sup. cit. iv, 156, 1851. 

 Cyclas acimiinata, Prime, loc. sup. cit. iv, 158, 1851. 

 Cyclas inornata, "j 



Cyclas simplex, > Prime, loc. sup. cit. iv, 159, 1851. 



Cyclas modesta, ) 



Sph. tenuistriatum. Prime, Brit. Mus. Cat. Conchif. 267, 1854. 

 Sph. albulum. Prime, loc. sup. cit. 269, 1854. 

 Sph. inornatum, Prime, loc. sup. cit. 270, 1854. 

 Sph. neodestum, Prime, loc. sup. cit. 270, 1854. 

 Sph. simplex, Prime, loc. sup. cit. 271, 1854. 

 Sph. acuminatum, Prime, loc. sup. cit. 271, 1854. 

 Pisum edentulum, Say, loc. sup. cit. 282, 1854. 

 Musculium edentulum, Say, H. and A. Ad., Gen. Rec. MolL 



ii, 450, 1858. 



30 



