9 
LYMNAIDA OF NORTH AMERICA. 381 
1872 (part) —Tryon, Con. Hald. Mon., p. 107 (81), 1872—JerFreys, Ann. Mag. 
N. H., iv, X, p. 247, 1872.—Verritt, Ann. Mag. N. H., ser. 4, XI, p. 209, 1873; 
Amer. Journ. Sci., iii, V, p. 468, 1873—JEFFREys, Journ. Conch., I, p. 16, 1874.— 
Carkins, Cin. Quart. Journ. Sci. I, p. 323, 1874—Smirtu, Rep. U.S: Fish, Cont., 
1872-73, p. 702, 1874——Dawson, Brit. N. A. Bound Com., p. 349, 1875.—JONEs, 
Moll. of Nova Scotia, p. 10, 1877—Warker, Journ. Conch., II, p. 330, 1879.— 
Stern, Ind. Dept. Stat. & Geol. p. 458, 1880.—HERoN, Ottawa Nat. I, p. 39, 
1880.—BeLt, Rep. Geol. & Nat. Hist. Surv. Canada, 1879-80, p. 75 c¢, 1881.— 
Ottawa Nat., I, p. 58, 1882—Curisty, Journ. Conch., IV, p. 347, 1885.—Ottawa 
Nat., II, p. 264, 1885.—Sampson, Bull. Sedalia N. H. Soc., No. 1, p. 24, 1885.— 
Beaucuampe, L. & F.-W. Sh. N. Y., p. 3, 1886—Taytor, Ottawa Nat., IV, p. 
55, 1890; Journ. Conch., VI, p. 284, 1890.—WaALToN, Proc. Roch. Acad. Sci., 
II, p. 12, pl. 6, figs. 10, 11, 1891—Fox, Nautilus, IV, p. 114, 1891.—BalILeEy, 
Nautilus, V, p. 23, 1891—Taytor, Ottawa Nat., VI, p. 35, 1892.—WALKER, 
Nautilus, VI, p. 34, 1892—Sampson, Nautilus, VII, p. 33, 1893.—MARSHALL, 
Rep. N. Y. State Mus., XLVII, p. 64, 1893; N. Y, ColriExp,, p: sii ise 
Watker, Nautilus, VII, p. 128, 1894 (part); Rev. Fauna Mich., p. 17, 1894.— 
Scuick, Nautilus, VIII, p. 137, 1895—Watker, Nautilus, IX, p. 4, 1895.— 
Warp, Bull. Mich. Fish. Com., No. 5, pp. 21, 65, 1895.—MARSHALL, Rep. N. Y. 
State Mus., XLVIII, p. 642, 1895.—Sarcent, Nautilus, IX, p. 127, 1896.— 
Watton, The Museum, IV, p. 132, 1898.—Baker, Trans. Acad. Sci. St. Louis, 
VIII, pp. 88, 89, 1898—Mavury, Chautauqua Lake Shells, p. 25, pl. 1, fig. 3, 
1898.—Hanuam, Nautilus, XIII, p. 5, 1899—MuitcHett, Nautilus, XIII, p. 89, 
1899.— Baker, Nautilus, XIV, p. 69, 1900—WaLrkeR & LANE, Geol. Surv. Mich., 
VIII, pt. 2, p. 251, 1900.—Baker, Trans. Acad. Sci. St. Louis, XI, p. 5, 1901 (non 
fig.) —Letson, Bull. Buff. Soc. Nat. Sci., VII, No. 1, p. 244, fig. 173, 1901; Bull. N. 
Y. State Mus., IX, No. 45, p. 244, fig. 173, 1901—SrTEarNs, Proc. Nat. Mus., XXIV, 
p. 291, 1901—Baxer, Trans. Acad. St. Louis, XI, p. 5, pl. 1, fig. 9, 1901; Amer. 
Nat., XXXV, p. 662, 1901; Moll. Chi. Area, II, p. 263, pl. 31, fig. 5, 1902.—BLaTCH. 
& Dantets, Rep. Dept. Geol. Nat. Res. Ind., XX VII, p. 597, pl. 1, fig. 14, 1902.— 
Wuireaves, Ottawa Nat., XVI, p. 92, 1902.—DanlELs, Rep. Dept. Geol. Nat. Res. 
Ind., XXVII, p. 636, 1902—Ottawa Nat., XVI, p. 205, 1903.—WHITEAVES, Rep. 
Geol. Surv. Can., 1904, p. 164, A, 1905.—Ottawa Nat., XIX, pp. 31, 32, 1905.—LEtT- 
son, Bull. N. Y. State Mus., LXX XVIII, p. 55, 1905.—CHADWICK, Bull. Wis. Nat. 
Hist. Soc. n. s. IV, p. 82, 1906; Nautilus, XX, p. 22, 1906——Letson, Bull. Buf. 
Soc. Nat. Sci., IX, p. 242, 1909—Apams, Rep. Geol. Surv. Mich., 1908, p. 20, 
1909. 
Limneus catascopium Kuster, Conch. Cab., I, p. 46, taf. 8, figs. 15-21, 1862. 
Limnophysa catascopium Breck, Index Moll., p. 111, 1837—Morse, Journ. 
Bost. Soc. N. H., I, p. 42, 1864—Tryon, Amer. Journ. Conch., I, p. 253, 1865.— 
Lewis, Bull. Buf. Soc. N. Sci. II, p. 135, 1874-—-HARTMAN and MICHENER, 
Conch. Cestrica, p. 64, figs. 121, 122, 1874—Bet, Rep. Prog. Geol. Surv. Canada, 
1878-79, C, p. 62, 1880—DeECamp, Kent. Sci. Inst., Mis. Pub., No. 5, p. 8, 1881.— 
Catt, Bull. Wash. Coll. Lab. N. H., I, pp. 52, 124, 1885; Bull. Wash. Coll. Lab. 
N. H., II, p. 17, 1887—Keep, West Coast Shells, p. 122, 1887 (part )—BAKER, 
Amer. Nat., XXXV, p. 659, 1901—KeeEp, West Amer. Sh., p. 314, 1904 (part). 
Limnea elodes var. catascopium Axpricu, Rep. N. Y. State Cab. N. H., 
XXII, pp. 19, 23, 1868. 
Helix catascopium Eaton, Text-book, p. 195, 1826. 
