156 



31. S. occidentale, Prime. 



Cyclas ovalis (preoc), Prime, Proc. Soc. N. H. Bost. iv, 276, 



1852. 

 Oyelas occidentalism Prime, loc. sup. cit. v, 122, 1855. 

 S. ovale, Stimpson, H. and A. Adams, Gen. Rec. Moll, ii, 



450, 1858. 

 S. occidentale, Prime, Proc. Ac. N. S. Phila. 407, 1861. 



Prime, Cat. Corb. 10, 1863. Smith. Inst. Misc. Coll., 



Prime Monog. Corb. 41, f. 34, 1865. U. S. of America. 



32. S. ovale, Ferussac. 



Cyclas lacustris, Draparnaud, Hist. Moll. 130, pi. x, f. 6, 7, 



1805. 

 Cyclas ovalis, Ferussac, Meth. Conchyl. 128, 136, 1807. 

 Cyclas consohrina, Ferussac, Diet. Sci. Nat. xii, 279, 1818. 

 *S'. Deshayesianum, Bourguignat, Rev. Mag. Zool. 345, 1853. 

 iS. ovale, Ferussac, Mem. Soc. Sc. Phys. Bord. i, 1854. 

 tS. consobrinum, Ferussac, Brit. Mus. Cat.'Conchif. 263, 1854. 

 S. 2)allidum, Gray, Ann. Mag. N. H. 2d ser. xvii, 465, 1856. 

 S. ovale, Ferussac, Prime Cat. Corb. 12, 1863. Europe. 



33. S. partumeium, Say. 



Cyclas cornea, Lam., var. 2, An. v, 558, 1818. 



Cyclas partumeia, Say, J. Ac. N. S. Phila. ii, 380, 1822. 



Gould, Invert. 73, f. 54, 1841. 

 Cyclas orbicularia, Barrat, Amer. J. Sci. xlviii, 276, 1845. 

 Cyclas 7nirabilis, Prime, Proc. Soc. N. H. Bost. iv, 157, 1851. 

 Cyclas coerulea, Prime, loc. sup. cit. iv, 161, 1851. 

 8. pai'tumeium, Say, Brit. Mus. Cat. Conchif. 266, 1854. 

 S. 77iirabile, Prime, loc. sup. cit. 269, 1854. 

 iS. orbicularium, Barrat, H. and A. Adams, Gen. Rec. Moll. 



ii, 450, 1858. 

 iS. coeruleum, Prime, loc. sup. cit. ii, 450, 1858. 

 S. partumeium. Say, Proc. Ac. N. S. Phila. 29, 1862. Prime, 



Cat. Corb. 10, 1863. Smith. Inst. Misc. Coll., Prime 



Monog. Corb. 45, f. 42, 1865. U. S. of America. 



34. S. patella, Gould. 



Cyclas patella, Gould, Proc. Soc. N. II. iii, 292, 1850. U. S. 

 Explor. Expedit. xii, 426, pi. xxxvi, f. 527, 1852. 



S. patella, Gould, Brit. Mus. Cat. Conchif, 271, 1854. Prime 

 Cat. Corb. 10, 1863. Smith. Inst. Misc. Coll., Prime 

 Monog. Corb. 42, f. 36, 1865. Oregon, U. S. of America. 



35. S. perpusillum, Gartner. 



Cyclas perpusilla, Gartner, Ann. Wetterau. iii, 316. 

 Pisum perpusillum, Gartner, Brit. Mus. Cat. Conchif. 285, 

 1854 Hanover, G-ermany. 



