94 List of the Known Species of 



XII. — List of the Known Species of Pisidium, with their 



Synonymy. 



[[By Temple Prime. 

 Read 28th February, 1859. 



1. abclitum Hald. Ac. N. S. Phil. Proc. l, 53, 1841.— De 



Kay, 225, 1841.— Jay Cat. 4 edit. 466, 1852.— Pr. Bost. Jl. 



VI. 359, pi. XL f. 24-25, pi. XII. f. 1, 1852.— Bgt. Amen. 1, 



p. 53, 1853.— Hartman Cat. 1853.— Lewis Bost. Proc. YL 2, 



1856. 

 Ci/clas minor C. B. Ads. Bost Proc. 1, 48, 1841.— Bost. Jl. IV. 39, 



pi. IV. f. 2, 1841.— C. B. Ads. Vermt. 19, 1842.— Migh. Bost. 



Jl. IV. 319, 1843.— LinsL Amer. Jl. 48, 276, 1845.— -C. B. Ads. 



Cat 30, 1847.- Jay Cat 4 edit 32, 1850.— Pr. Bost Proc. 



IV. 165, 1851.— Bgt Amen. 1, p. 8, 53, 1853. 

 Pisidium minus Stimp. Moll. N. E. 16, 1851. — Pr. Bost Jl. VI. 



360, pi. XIL f. 2-4, 1852. 

 " obscurum Pr. Bost Proc. IV. 161, 1851.— Bost Jl. VL 359, 



1852. 

 " Kurfzi Pr. Bost Proc. IV. 162, 1851.— Bost Jl. 361, pi. XIL 



f. 5-7, 1852. 

 « zona turn Pr. Bost Proc. IV. 162, 1851.— Bost Jl. VL 364, 



pi. XIL f. 17-19, 1852.— Lewis Bost Proc. VI. 2, 1856. 

 " regulare Pr. Bost Jl. VL 363, pi. XIL f. 11-13, 1852. 

 " notatum Pr. loc. sup. cit VL 365, pi. XII. f. 20-22, 1852. 

 " amplum Ingalls MSS. 1855. 

 " resartum " loc. sup. cit 1855. 

 " rubrum Lewis MSS. 1855, 

 " plenum " loc. sup. cit 1855. 

 Sab. N. Amer. 



— abruptum Hald. Ac. N. S. Phil. Proc. 1, 53, 1841, is P. Virgini- 



cum Bgt. 



— acutum Pf. Wiegm. Archiv. 1, 230, 1831, is P. Henslowianum, Jen. 



