169 



12. P. conicum, Baudon. 



Baudon. Pisid. Fr. 50, fl. v, f. B, 1857. Prime. Cat. Cork 

 17, 1863. France. 



13. P. con sang nine urn, Prime. 



Smith. Inst. Misc. Coll., Prime Monog. Corb. 76, f. 86, 

 1865. Cuba, West Indies. 



14. P. cuneatum, Bielz. 



Bielz. Moll. Siebenb. 1863. Transylvania. 



15. P. duplicatum, C. Pfeiffer. 



Cyclas duplicata, C. Pfeiffer, System. Arnord. 230, 1821. 

 Musculium duplicatum, H. & A. Adams, Gen. Rec. Moll. iL 



451, 1858. 

 Pisum duplicatum, H. & A. Adams, Loc. sup. cit. ii, 660, 



1858. 

 Pisidium duplicatum, C. Pfeiffer, Prime Cat. Corb. 17, 



1863. G-ermany. 



16. P. Ferroense, Morch, Cat. Suenson, 43, 1857. 



Prime Cat. Corb. 17, 1863. Farroe Islands. 



17. P. ferrugineum, Prime. 



Proc. Soc. N. H. Bost. iv, 162, 1851. J. N. H. Bost. vi, 

 362, pi. xii, f. 810, 1852. Prime, Cat. Corb. 15, 1863. 

 Smith. Inst. Misc. Coll., Prime Monog. 71, f.-77, 78, 

 1865. U. S. of America. 



18. P. fuscum, Parreys. 



Haydinger, Berichte vii, 211, 1851. Germany. 



19. P. Gassiesanum, Dupuy. 



Gassies, Moll. Agen. 207, pi. ii, f. 11, 1849. 

 Pisidium Normandianum, Dupuy, Loc. sup. cit. 206, 1848. 

 Pisidium tetragonum, Normand, Cycl. Dpt. Nord. 5, 1854. 

 Pisum vitreum, Deshayes (pars), Brit. Mus. Cat. Conchif. 277, 



1854. 

 Pisidium Baudonianum, de Cessac, Bull. Soc. Sci. Nat. 



Creuse. ii, 1855. 

 Pisidium Gassiesianum, Dupuy, Baudon Pisid. Fr. 26, pi. i, 



f. F, 1857. France. 



20. P. Gundlachi, Arango. Cuba, West Indies. 



21. P. Harfordianum, Prime. Mendocino Co., California. 



22. P. Henslowianum, Jenyns. 



Pera Henslowiana, Leach, in litt. in Mus. Brit. 1820. 

 Cyclas acuta, C. Pfeiffer, System. Arnord. 230, 1821. 

 Tellina Henslowana, Sheppard, Trans. Linn. Soc. Lond. xiv, 

 150, 1823. 



