169 



12. P. conicum, Baudon. 



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

 17, 1863. France. 



13. P. consanguineum, Prime. 



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

 1865. Cuha^ West Indies. 



14. P. cuneatum, Bielz. 



Bielz. Moll. Siebenb. 1863. Transylvania. 



15. P. duplicatum, C. Pfeiffer. 



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

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



451, 1858. 

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



1858. 

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



I860. 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. 8—10, 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 Norrnandianum, Dupuy, Loc. sup. cit. 206, 1848, 

 Pisidium tetragonum, Normand, Cycl. Dept. 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. 



Peru Jlenslowiana, 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. 



