LYMNyELLVE OF NORTH AMERICA. 273 



Soc. Nat. Sci., VII, No. 1, p. 244, 1901; Bull. N. Y. State Mus., IX, No. 45, 

 p. 244, 1901. NYLANDER, Nautilus, XIV, pp. 103, 104, 1901. SHIMEK, Bull. Lab. 

 N. H. Univ. Iowa, V, p. 208, 1901. BAKER, Trans. Acad. Sci. St. Louis, XI, 

 p. 6, pi. 1, fig. 8, 1901. NEEDHAM & BELTEN, Bull. N. Y. State Mus., XLVII, 

 p. 402, 1901. ?SHIMEK, Amer. Geol., XXVIII, p. 344, 1901. BAKER, Moll. Ghi. 

 Area., p. 265, pi. 30, fig. 20, text fig. 84. DANIELS, Rep. Dept. Geol. Nat. Res. 

 Ind., XXVII, p. 637, 1902. WALKER, Geol. Surv. Mich., VII, pi. 3, p. 101, 1903. 

 PILSBRY, Proc. Phil. Acad., 1903, p. 777. WRIGHT, Rep. State Board Geol. Surv. 

 Mich., 1903, p. 42. BAKER, Shells of Land and Water, p. 11, fig., 1903 HINK- 

 LEY, Nautilus, XVIII, p. 45, 1904. BAKER, Trans. St. Louis Acad. Sci., XIV, p. 

 103, 1904. LETSON, Bull. N. Y. State Mus., LXXXVIII, p. 54, 1905. CHAD- 

 WICK, Nautilus, XX, p. 22, 1906; Bull. Wis. Nat. Hist. Soc., n. s., IV, p. 82, 

 1906. WHITEAVES, Ottawa Nat., XX, p. 117, 1906. WHEAT, Bull. Brook. Conch. 

 Club., I, p. 10, 1907. HANKINSON, Rep. Geol. Surv. Mich., 1907, p. 235, 1908 HIL- 

 BERT, Schriften Phys. Okon. Gesell., Konigs'berg, LXIX, p. 400, 1909. LETSON, 

 Bull. Buf. Soc. Nat. Sci., IX, p. 242, 1909. 



Limnophysa desidiosa BECK, Index, p. Ill, 1837. MORSE, Journ. Port. 

 Soc. N. H., I, p. 41, 1864. CURRIER, Amer. Journ. Conch., I, p. 294, 1865. 

 TRYON, Amer. Journ. Conch., I, p. 252, 1865. PERKINS, Proc. Bos. Soc. N. H., 

 XIII, p. 132, 1869. COOPER, Proc. Cal. Acad. Sci., IV, pp. 90, 153, 1870. LEWIS, 

 Buff. Soc. N. H., 1874, p. 135. HARTMAN and MICHENER, Conch. Cestrica, p. 

 65, figs. 116, 125, 1874. PRIME, Forest & Stream, XV, p. 245, 1880. ?CALL, 

 Amer. Nat., XV, p. 784, 1881. McGEE & CALL, Amer. Journ. Sci., iii, XXIV, 

 p. 209, et seq., pi. V, figs. 1-4, 1882. DECAMP, Kent. Sci. Inst., Mis. Pub., No. 5, 

 p. 8, 1881. CALL, Bull. Wash. Coll. Lab. N. H., I, p. 118, 1885. COOPER, Ann. 

 Rep. Cal. State Min. Bu., VI, p. 245, 1886. KEEP, West Coast Shells, p. 121, 

 1887. KEYES, Bull. Essex Inst., XX, p. 83, 1888; Amer. Nat., XXII, p. 1052, 

 1888. COOPER, An. Rep. Cal. State Min. Bu., VII, p. 245, 1888. GILBERT, Mon. 

 U. S. Geol. Surv., I, pp. 210, 298, 1890. McGEE, Rep. U. S. Geol. Surv., XI, 

 p. 448, 1891. CALL, Proc. Ind. Acad. Sci., 1893, p. 150. COOPER, Proc. Cal. Acad. 

 Sci, ii, IV, p. 170, 1894. CALL, Proc. Ind. Acad. Sci., pp. 250, 253, 1896. 

 BAKER, Journ. Cin. Soc. N. H., XIX, p. 83, 1897. CALL, Rep. Dept. Geol. and 

 Nat. Res. Ind., XXIV, p. 407, 1899 (nee. fig.). BLATCHLEY and ASHLEY, An. 

 Rep. Dept. Geol. & Nat. Res. Ind., XXV, pp. 226, 248, 304, 1901. 



Limnophysa decidiosa TODD, Bull. U. S. Geol. Surv., No. 158, p. 70, 1899. 



Lymneus decidiosus KIRTLAND, Zool. Ohio, p. 174, 1838. 



Limnea decidiosa DEAN, Amer. Nat., XXVI, p. 17, 1892. 



Limn&a decidiosa GABB, Proc. Phil. Acad., 1861, p. 309. TRYON, Proc. 

 Phil. Acad., 1861, p. 398. MORCH, Amer. Journ. Conch., IV, p. 33, 1868. Journ. 

 Geol. IX, p. 292, 1903. WHITE, Proc. Amer. A. A. Sci., XXXIX, p. 241, 1890. 

 COLEMAN, Interglacial Periods in Canada, p. 16, 1906. 



Lymnaa desidiosa (Variety?) STRECKER, Nautilus, XXII, p. 65, 1908. 



Limn&a (Limnophysa) decidiosa HARPER, Journ. Cin. Soc. N. H., XVIII, 

 p. 95, 1895. 



Lymnaa decidiosa WHEATLEY, Cat. S'h. U. S., p. 23, 1843. SCUDDER, Bull. 

 Nat. Mus., 23, p. 200, 1885. 



Limn&a adelinaz, Nautilus, XII, p. 60, 1898. 



Lymnea philadelphica LEA, Proc. Amer. Phil. Soc., II, p. 33, 1841; Trans. 



