LYMN.i9EID.ffl OF NORTH AMERICA. • 381 



1872 (part).— Tryon, Con. Hald. Mon., p. 107 (81), 1872.— Jeffreys, Ann. Mag. 

 N. H., iv, X, p. 247, 1872.— Verrill, Ann. Mag. X. H., ser. 4, XI, p. 209, 1873; 

 Amer. Journ. Sci., iii, V, p. 468, 1873. — Jeffreys, Journ. Conch., I, p. 16, 1874. — 

 Calkixs, Cin. Quart. Journ. Sci., I, p. 323, 1874. — Smith, Rep. U. S. Fish. Com., 

 1872-73. p. 702, 1874.— Dawson, Brit. X. A. Bound Com., p. 349, 1875.— Joxes, 

 Moll, of Xova Scotia, p. 10, 1877. — Walker, Journ. Conch., II, p. 330, 1879 — 

 Steix, Ind. Dept. Stat. & Geol, p. 458, 1880.— Herox, Ottawa Nat. I, p. 39, 

 1880.— Bell, Rep. Geol. & Xat. Hist. Surv. Canada, 1879-80, p. 75 c, 1881.— 

 Ottawa Xat., -I, p. 58, 1882. — Christy, Journ. Conch., IV, p. 347, 1885. — Ottawa 

 Xat., II, p. 264, 1885.— Sampsox, Bull. Sedalia N, H. Soc., Xo. 1, p. 24, 1885.— 

 Beauchamp, L. & F.-W. Sh. X. Y., p. 3, 1886.— Taylor, Ottawa Xat., IV. p. 

 55, 1890; Journ. Conch., VI, p. 284, 1890. — Waltox, Proc. Roch. Acad. Sci., 

 II, p. 12, pi. 6, figs. 10. 11. 1891.— Fox, Xautilus, IV, p. 114. 1891.— Bailey, 

 Nautilus, V, p. 23, 1891.— Taylor, Ottawa Xat., VI, p. 35, 1892.— Walker, 

 Xautilus, VI, p. 34, 1892. — Sampsox, Xautilus, VII, p. 33, 1893. — Marshall, 

 Rep. X. Y. State Mus., XLVII, p. 64, 1893; X. Y. Col. Exp., p. 511, 1894.— 

 Walker, Xautilus, VII, p. 128, 1894 (parti ; Rev. Fauna Mich., p. 17, 1894.— 

 Schick, Xautilus, VIII, p. 137, 1895. — Walker, Xautilus, IX, p. 4, 1895. — 

 Ward, Bull. Mich. Fish. Com.. Xo. 5, pp. 21, 65, 1895.— Marshall, Rep. N. Y. 

 State Mus., XLVIII, p. 642, 1895.— Sargext, Xautilus, IX, p. 127, 1896.— 

 Waltox, The Museum, IV, p. 132, 1898. — Baker, Trans. Acad. Sci. St. Louis, 

 VIII, pp. 88, 89, 1898.— Maury, Chautauqua Lake Shells, p. 25, pi. 1, fig. 3, 

 1898. — Hanham, Xautilus, XIII, p. 5, 1899. — Mitchell, Xautilus, XIII, p. 89, 

 1899.— Baker, Xautilus, XIV, p. 69, 1900. — Walker & Lane, Geol. Surv. Mich., 

 VIII, pt. 2, p. 251, 1900.— Baker, Trans. Acad. Sci. St. Louis, XI, p. 5, 1901 (non 

 fig.).— Letsox, Bull. Buff. Soc. Xat. Sci., VII, Xo. 1, p. 244, fig. 173, 1901; Bull. X. 

 Y. State Mus., IX, Xo. 45, p. 244, fig. 173, 1901.— Stearxs, Proc. Xat. Mus., XXIV, 

 p. 291, 1901. — Baker, Trans. Acad. St. Louis, XI, p. 5, pi. 1, fig. 9, 1901; Amer. 

 Xat., XXXV, p. 662, 1901; Moll. Chi. Area, II, p. 263, pi. 31, fig. 5, 1902.— Blatch. 

 & Daniels, Rep. Dept. Geol. Xat. Res. Ind., XXVII, p. 597, pi. 1, fig. 14, 1902.— 

 Whiteayes, Ottawa Xat., XVI, p. 92, 1902.— Daxiels, Rep. Dept. Geol. Nat. Res. 

 Ind.. XXVII, p. 636, 1902.— Ottawa Xat., XVI, p. 205, 1903.— Whiteaves, Rep. 

 Geol. Surv. Can., 1904, p. 164. A. 1905.— Ottawa Nat., XIX, pp. 31, 32, 1905.— Let- 

 sox, Bull. X. Y. State Mus., LXXXVIII, p. 55. 1905.— Chadwick, Bull. Wis. Xat. 

 Hist. Soc. n. s. IV, p. 82, 1906; Xautilus, XX, p. 22, 1906.— Letsox, Bull. But". 

 Soc. Xat. Sci., IX, p. 242, 1909.— Adams, Rep. Geol. Surv. Mich., 1908, p. 20, 

 1909. 



Limneus catascopium Kuster, Conch. Cab., I, p. 46, taf. 8, figs. 15-21, 1862. 



Limnophysa catascopium Beck, Index Moll., p. Ill, 1837. — Morse, Journ. 

 Bost. Soc. X. H., I, p. 42, 1S64.— Tryox, Amer. Journ. Conch.. I, p. 253, 1865 — 

 Lewis, Bull. Buf. Soc. X. Sci., II, p. 135, 1874. — Hartmax and Michexer, 

 Conch. Cestrica, p. 64, figs. 121, 122, 1874. — Bell, Rep. Prog. Geol. Surv. Canada, 

 1878-79, C, p. 62, 1880.— DeCamp, Kent. Sci. Inst., Mis. Pub., Xo. 5, p. S, 1881.— 

 Call, Bull. Wash. Coll. Lab. X. H., I, pp. 52, 124, 1885 ; Bull. Wash. Coll. Lab. 

 X. H.. II, p. 17, 1887.— Keep, West Coast Shells, p. 122, 1887 (part).— Baker, 

 Amer. Xat., XXXV, p. 659, 1901.— Keep, West Amer. Sh., p. 314, 1904 (part). 



Limncea elodcs var. catascopium Aldrich, Rep. X. Y. State Cab. X. H., 

 XXII, pp. 19, 23, 1868. 



Helix catascopium Eatox, Text-book, p. 195, 1826. 



