300 THE CHICAGO ACADEMY OF SCIENCES. 



Limnaus palustris DRAP., Hist., p. 52, pi. ii, figs. 40-42, iii, figs. 1-2, 1805. 

 ROSSMASSLER, Icon., I, p. 96, 1835. FORBES, Rep. Brit. Asso., VI, p. 146, 1840. 

 FORBES and HANLEY, Hist. Brit. Moll., IV, p. 180, pi. 124, fig. 2, 1853. 



Lymnea palustris SHEPPARD, Trans. Lit. Hist. Soc. Quebec, I, p. 196, 1829. 

 ROBERTS, Rep. U. S. Geol. Surv. Wyoming, 1871, p. 468. 



Lymncca palustris COOPER, Amer. Nat., II, p. 468, 1868. BAKER, Amer. 

 Nat., XXXIX, p. 669, fig. 9, 1905. BALL, Alaska Moll., p. 76, figs. 56, 57, 1905. 

 BAKER, Amer. Nat. XL, p. 328, figs. 1, 2, 1906; Trans. Acad. Sci. St. Louis, 

 XVI, p. 11, 1906; Bull. 111. State Lab. Nat. Hist., VII, p. 105, 1906. WALKER, 

 Nautilus, XX, p. 82, 1906. HENDERSON, Univ. Col. Studies, IV, pp. 93, 158, 180, 

 fig. 37, 1907. SMITH, Nautilus, XX, p. 91, 1907. STERKI, Proc. Ohio State 

 Acad.. Sci., IV, p. 381, 1907. NYLANDER, Nautilus, XXII, p. 19, 1908. BERRY, 

 Nautilus, XXI, p. 122, ? 908 HANNIBAL, Nautilus, XXII, p. 33, 1908. LER- 

 MOND, Shells of Maine, p. 38, 1908. DANIELS, Nautilus, XXII, p. 121, 1909. 

 BERRY, Nautilus, XXIII, pp. 76, 77, 1909. BAKER, An. Rep. Mich. Acad. Sci., 

 p. 138, 1909. HENDERSON, Univ. Col. Studies, VII, p. 126, 1909. BERRY, Nauti- 

 lus, XXIV, p. 62, 1910. 



Limnophysa palustris BECK, Index, Moll., p. 110, 1837. TRYON, Amer. Journ. 

 Conch., I, pp. 68, 251, 1865. BALL, Ann. Lye. N. H., IX, p. 349, 1870. PRIME, 

 Forest & Stream, XV, p. 245, 1880. DECAMP, Kent. Sci. Inst. Mis. Pub., No. 

 5, p. 8, 1881. CALL, Bull. Geol. Surv., II, pp. 371, 383, 388, 389, 1884; Bull. 

 Wash. Coll. Lab. N. IL, I, p. 52, 1885. GRANT, Rep. Nat. Hist. Surv. Minn., 

 XIV, p. 122, 1886. KEEP, West Coast Shells, p. 123, fig. Ill, 1887. COOPER, 

 An. Rep. Cal. State Min. Bu., VII, p. 245, 1888. KEYES, Bull. Essex. Inst., 

 XX, p. 70, 1888. GILBERT, Mon. U. S. Geol. Surv., I, pp. 210, 300, 1890. COOPER, 

 Zoe. I, p. 196, 1890. CALL, Proc. Ind. Acad. Sci., for 1893, p. 150, 1894. COOPER, 

 Proc. Cal. Acad. Sci., ii, IV, p. 170, 1894. CALL, Proc. Ind. Acad. Sci., p. 250, 

 1896. BAKER, Journ. Cin. Soc. N. H., XIX, p. 84, 1897. CALL, Rep. Dept. Geol. 

 Nat. Res. Ind., XXIV, p. 406 (not fig.), 1900. BLATCHLEY & ASHLEY, An. Rep. 

 Geol. & Nat. Res. Ind., XXV, pp. 176, 190, 248, 304, 1901. 



Limncca plebeia GOULD (nude name) in Adams, Am. Journ. Sci., XL, p. 

 268, 1841. 



Limnca umbrosa HALD. (non Say), Mon. Lim., pi. 7, figs. 4, 5, 1842. 



Limnaa clodcs of authors, not of Say. 1 



Lymneus clodcs KIRTLAND, Zool. Ohio, p. 174, 1838. SAYER, Geol. Surv. 

 Mich., 1839, p. 15. 



Limnccus clodcs KUSTER, Conch. Cab., I, p. 42, taf. 7, figs. 17-21, 1862 (part). 

 WALTER, Cold Spring Harbor Mon., VI, 1906. 



Lymnea elodcs DEKAY, Cat. N. Y. Animals, p. 32, 1839. LEA, Hayden's 

 Exp. Neb., p. 724, 1859. ROBERTS, Rep. U. S. Geol. Surv. Wyoming, 1870, p. 

 468. DAWSON, Can. Nat. & Geol., n. s., VI, p. 307, 1872. SHAFFER, Shells Cin., 

 Ohio (no date). 



Lymnaa clodcs, Amer. Journ. Sci., XXXI, p. 36, 1837. LINSLEY, Amer. 

 Journ. Sci., XLVIII, p. 282, 1845. REEVE, P. Z. S., 1850, p. 49. DAWSON, Can. 

 Nat. & Geol., II, p. 422, 1857. CURRIER, Shells of Grand River, 1859. PDA w- 

 SON, Can. Nat. & Geol., IV, p. 36, 1859. LEWIS, Proc. Phil. Acad., 1860, p. 18; 

 Amer. Journ. Conch., IV, p. 4, 1868. MORSE, Amer. Nat, III, p. 651, pi. 11, figs. 



1 Spme of these references may include the true elodes of Say, but it is 

 impossible to verify them and they are, therefore, all included under palustris. 



