OF NORTH AMERICA. 299 



Pop. Sci. Mon., X, p. 248, 1876. AUGHEY, An. Rep. U. S. Geol. & Geog. Surv. 

 Col., p. 268, 1876. WALKER and BEECHER, Proc. Ann. Arb. Sci. Asso., 1876, 

 p. 45. INGERSOLL, Proc. Daven. Acad. Sci., II, p. 132, 1877. KOBELT, Nach. 

 Mai. Ges., XII, p. 32, 1880. STEIN, Ind. Dept. Stat. & Geo., 1880, p. 458. BELL, 

 Rep. Geol. & Nat. Hist. Surv. Canada, 1879-80, p. 75. c, 1881. Amer. Nat., 

 XVII, p. 203, 1883. JORDAN, Nova Acta Ksl.-Leop.-Carol.-Deutsch. Akad. Natur., 

 XLV, pp. 282, 368, 1883. Ottawa Nat., II, 132, 1884. LATCHFORD, Amer. 

 Nat, XVIII, p. 1052, 1884. CHRISTY, Journ. Conch., IV, p. 347, 1885. Ottawa 

 .Nat., II, p. 264, 1885. MOORE and BUTLER, Bull. Brookville Soc. N. H., No. 1, 

 p. 43, 1885. SHIMEK, Bull. Lab. N. H. Univ., I, p. 68, 1888. HOLZINGER, Rep. 

 Nat. Hist. Surv. Minn., XVI, p. 490, 1888. CKLL., Journ. Conch., VI, p. 63, 

 1889. Ottawa Nat., IV, p. 55, 1890. WOOD, Nautilus, V, p. 56, 1891. STEARNS, 

 Proc. Nat. Mus., XIV, p. 100, 1891. WALKER, Nautilus, VI, p. 33, 1892. SNIG- 

 LEY, Rep. Geol. Surv. Texas, IV, p. 188, 1892; p. 313, 1893. DEAN, Amer. Nat, 

 XXVI, p. 18, 1892. TAYLOR, Ottawa Nat., VI, p. 35, 1892. STEARNS, N. Am. 

 Fauna, VII, p. 274, 1893. TAYLOR, Nautilus, VII, p. 85, 1893. SQUYER, Nautilus, 



VIII, p. 65, 1894. WALKER, Nautilus, VII, p. 128, 1894. WALKER, Rev. Moll. 

 Mich., p. 18, 1894. STUPAKOFF, Nautilus, VII, p. 135, 1894. Ottawa Nat., IX, 

 p. 156, 1895. TAYLOR, Ottawa Nat., IX, pp. 174, 176, 1895. SNYDER, The Museum, 

 III, p. 12, 1896. RANDOLPH, Nautilus, IX, p. 102, 1896. SARGENT, Nautilus, 



IX, p. 127, 1896. BAKER, The Museum, III, p. 154, 1897. SHIMEK, Proc. Iowa 

 Acad. Sci., V, pp. 35, 44, 1898. WISWALL, Nat. Sci. Journ., I, p. 48, 1897. 

 BAKER, Journ. Cin. Soc. N. H., XIX, p. 78, 1897; Nautilus, XII, p. 65, 1898; 

 Trans. Acad. Sci. St. Louis, VIII, pp. 88, 89, 1898; Moll. Chi. Area., pp. 23, 

 24, 1898. RANDOLPH, Nautilus, XII, p. Ill, 1899. HANHAM, Nautilus, XIII, 

 p. 5, 1899. BAKER, Nautilus, XIII, p. 58, 1899. MITCHELL, Nautilus, XIII, p. 

 88, 1899. LEVERETT, Mori. U. S. Geol. Surv., XXXVIII, p. 173, 1899. STERKI, 

 An. Rep. Ohio State Acad. Sci., VIII, p. 34, 1900. WALKER and LANE, Geol. 

 Surv. Mich., VII, pt. 2, p. 251, 1900. STEARNS, Proc. Nat. Mus., XXII, p. 135, 

 1900. BAKER, Journ. Cin. Soc. N. H., XIX, p. 176, 1900; Nautilus, XIV, pp. 

 69-71, 1900; Nautilus, XIII, p. 112, 1900. STEARNS, Proc. Nat Mus., XXIV, 

 p. 291, 1901. BAKER, Amer. Nat., XXXV, p. 662, 1901; Trans. Acad. Sci. St. 

 Louis, XI, p. 14, pi. 1, figs. 1, 2, text figs. 8-9, 1901. EVERMAN and GOLDS- 

 BOROUGH, Rep. U. S. Fish. Com. for 1901, p. 175, 1902. BAKER, Moll. Chi. Area., 

 II, p. 273, text figs. 89, 90, pi. 32, fig. 1, 1902. ELROD, Nautilus, XV, p. Ill, 

 1902; Bull. Univ. Mont, Biol. Ser., Ill, pp. 124, 172, 1902. WHITEAVES, Ottawa 

 Nat., XVI, p. 91, 1902. CKL., Nautilus, XVI, p. 96, 1902. DANIELS, Rep. Dept. 

 Geol. & Nat. Res. Ind., XXVII, p. 636, 1903. ELROD, Bull. Univ. Mont., Biol. 

 Ser., V, p. 257, 1903. SHIMEK, Nat. Hist. Bull. Univ. Iowa, V, p. 279, 1904. 

 KEEP, West. Amer. Sh., pp. 148, 314, fig. 128, 1904. WHITEAVES, Ottawa Natural- 

 ist, XIX, pp. 3, 65, 1905. LETSON, Bull. N. Y. State Mus., LXXXVIII, p. 53, 

 1905. CHADWICK, Nautilus, XX, p. 22, 1906; Bull. Wis. Nat Hist Soc., IV, 

 p. 81, 1906. WHITEAVES, Ottawa Nat., XX, p. 116, 1906. MAURY, Journ. Geol., 

 XVI, p. 566, 1908. LETSON, Bull. Buf. Soc. Nat. Sci., IX, p. 242, 1909. 



Limnea palustris SOWB., Faun. Bor.-Amer., p. 316, 1836. HALD., Mon. 

 Lim., p. 55, pi. 15, fig. 2, 1842. CHAPMAN, Can. Journ., n. s., VI, p. 497, 1861. 

 ?CARLTON, Proc. Cal. Acad. Sci., IV, p. 51, 1869. INGERSOLL, Bull. U. S. Geol. 

 and Geog. Surv, I, p. 138, 1875; Rep. U. S. Geol. & Geog. Surv. Terr., 1876, 

 p. 406. ?COLEMAN, Trans. Can. Inst, VI, p. 37, 1899. HENDERSON, Nautilus, XX, 

 p. 98, 1907. 



