151 



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

 Pisidium, Verany, Descriz. Geneva ii, 1846. 



1. Sph. Argentinum, D'Orbigny. 



Cyclas Argentina, D'Orbigny, Mag. Zool. 1835, 568, pi. 83, 



f. 5-7, 1844. 

 Sph. Argentinum, D'Orbigny, Brit. Mus. Cat. Conchif. 272, 



1854. Proc. Ac. N. S. Phila. 31, 1862. Smith Inst. 



Misc. Coll., Prime Monog. Corb. 52, 1865. 



3Iontevideo, S. America. 



2. Sph. aureum, Prime. 



Cyelas aurea. Prime, Proc. Soc. N. H. Bost. iv, 159, 1851. 

 Sph. aureum. Prime, Brit. Mus. Cat. Concbif. 268, 1854. 



Proc. Ac. N. S. Phila., 404, 1861. Prime, Cat. Corb. 



9, 1863. Smith. Inst. Misc. Coll., Prime Monog. Corb. 



35, f. 26, 1865. 



Lake Superior, TJ. S. of America. 



3. Sph. Bahiense, Spix. 



Cylas Bahiensis, Spix. Test. Bras. 32, pi. xxv. f. 5, 6, 1827. 



Mem. Soc. Phys. H. N. Geneva, vii, 414, 1836. 

 Cyclas maculata, Anton, (non Morelet), Wiegm. Archiv. 



284, 1837. 

 Pisum. maculatum, Deshayes, Brit. Mus. Cat. Conchif. 283, 



1854. 

 Pisum Bahiense, Deshayes, loc. sup. cit. 284, 1854. 

 Musculium Bahiense, H. and A. Adams, Gen. Rec. Moll, ii, 



451, 1858. 

 Musculium maculatum, H. and A. Adams, loc. sup. cit. ii, 



451, 1858. 

 Sph. Bahiense, Spix, Proc. Ac. N. S. Phila. 32, 1862. 



Prime, Cat. Corb. 12, 1863. Smith. Inst. Misc. Coll., 



Prime Monog. Corb. 53, f. 52, 1865. 



Bahia, Brazil. 



4. Sph. Barbadense, Prime, Proc. A. N. S. Phila. 415, 



1861. 

 Prime, Cat. Corb. 12, 1863, Smith. Inst. Misc. Coll., 

 Prime, Monog. Corb. 53, f. 53, 1865. 



Barhadoes, W. Indies. 



5. Sph. Brochonianum, Bourguignat, Mem. Soc. Sc. phys. 



et. nat. Bord. i, 1854. 

 Cyclas Corsa, Charpentier, in litt. France. 



6. Sph. Capense, Krauss. 



Cyclas Capensis, Krauss, Moll. S. A. 7, pi. 1, fig. 6, 1848. 

 Sph. Capense, Krauss, Brit. Mus. Cat. Conchif. 265, 1854. 



Cape of Gfood Hope, Africa. 



