300 THE CHICAGO ACADEMY OF SCIENCES. 
Limneus palustris Drap., Hist., p. 52, pl. ii, figs. 40-42, iii, figs. 1-2, 1805.— 
RossMASSLER, Icon., I, p. 96, 1835.—Forges, Rep. Brit. Asso., VI, p. 146, 1840.— 
Forses and Han_ey, Hist. Brit. Moll., IV, p. 180, pl. 124, fig. 2, 1853. 
Lymnea palustris SHEPPARD, Trans. Lit. Hist. Soc. Quebec, I, p. 196, 1829.— 
Rozerts, Rep. U. S. Geol. Surv. Wyoming, 1871, p. 468. 
Lymnea palustris Cooper, Amer. Nat., II, p. 468, 1868—BaAkerr, Amer. 
Nat., XXXIX, p. 669, fig. 9, 1905.—Datt, 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. Ill. State Lab. Nat. Hist. VII, p. 105, 1906—WaALKER, 
Nautilus, XX, p. 82, 1906—HeEnpeErson, Univ. Col. Studies, IV, pp. 93, 158, 180, 
fig. 37, 1907—SmiTuH, Nautilus, XX, p. 91, 1907.—Sterk1, Proc. Ohio State 
Acad. Sci., IV, p. 381, 1907.—NyLANperR, Nautilus, XXII, p. 19, 1908.—BeErry, 
Nautilus, XXI, p. 122, 1908—Hawnnipat, Nautilus, XXII, p. 33, 1908.—LErR- 
MOND, Shells of Maine, p. 38, 1908—Daniets, Nautilus, XXII, p. 121, 1909.— 
Berry, Nautilus, XXIII, pp. 76, 77, 1909—Baxer, An. Rep. Mich. Acad. Sci., 
p. 138, 1909.—HeEnoperson, Univ. Col. Studies, VII, p. 126, 1909.—Berrry, Nauti- 
lus, XXIV, p. 62, 1910. 
Limnophysa palustris Beck, Index, Moll., p. 110, 1837—Tryon, Amer. Journ. 
Conch., I, pp. 68, 251, 1865——Datt, Ann. Lyc. N. H., IX, p. 349, 1870—PrIME, 
Forest & Stream, XV, p. 245, 1880.—DeCamp, Kent. Sci. Inst. Mis. Pub., No. 
5, p. 8, 1881—Catt, Bull. Geol. Surv.; II, pp. 371, 383, 388, 389, 1884; Bull. 
Wash. Coll. Lab. N. H., I, p. 52, 1885.—Grant, Rep. Nat. Hist. Surv. Minn., 
XIV, p. 122, 1886——Krep, West Coast Shells, p. 123, fig. III, 1887—Cooprr, 
An. Rep. Cal. State Min. Bu., VII, p. 245, 1888—Keryes, Bull. Essex. Inst., 
XX, p. 70, 1888.—Gitzert, Mon. U. S. Geol. Surv., I, pp. 210, 300, 1890.—Cooprr, 
Zoe. I, p. 196, 1890 —Catt, Proc. Ind. Acad. Sci., for 1893, p. 150, 1894.—CoopEr, 
Proc. Cal. Acad. Sci., ii, IV, p. 170, 1894.—Catt, Proc. Ind. Acad. Sci., p. 250, 
1896.— Baker, Journ. Cin. Soc. N. H., XIX, p. 84, 1897—Ca 1, Rep. Dept. Geol. 
Nat. Res. Ind., XXIV, p. 406 (not fig.), 19090—BLatcHLEy & AsHLeEy, An. Rep. 
Geol: & Nat. Res. Ind., XXV, pp. 176, 190, 248, 304, 1901. 
Limnea plebeia Goutp (nude name) in Adams, Am. Journ. Sci., XL, p. 
268, 1841. 
Limnea umbrosa Harp. (non Say), Mon. Lim., pl. 7, figs. 4, 5, 1842. 
Limnea elodes of authors, not of Say.’ 
Lymneus elodes KirtLAnp, Zool. Ohio, p. 174, 1838—Sayer, Geol. Surv. 
Mich., 1839, p. 15. 
Limneus elodes Kuster, Conch. Cab., I, p. 42, taf. 7, figs. 17-21, 1862 (part). 
—WatrtTeR, Cold Spring Harbor Mon., VI, 1906. 
Lymnea elodes DEKay, Cat. N. Y. Animals, p. 32, 1839.—Lea, Hayden’s 
Exp. Neb., p. 724, 1859.—Roserts, 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). 
Lymnea elodes, Amer. Journ. Sci., XXXI, p. 36, 1837—LiNnsLey, 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—?Daw- 
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, pl. 11, figs. 

1Some 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. 
