164 THE CHICAGO ACADEMY OF SCIENCES. 



j 1856. — Lewis, Proc. Bos. Soc. N. H., VI, p. 2, 1856. — Tufts, Proc. 



Inst., I, p. 30, 1856; Can. Xat. & Geol., II, p. 197, figure, 1857.— True, 

 Proc. Essex Inst., II, p. 195, 1857. — Bixxey, Check List, p. 12, 1860. — Reeve, 

 Elements of Conch., p. 178, 1860. — Lapham, Proc. Phil. Acad., 1860, p. 155.— 

 Whiteaves, Can. Xat. & Geol., VI, p. 453, 1861; Can. Xat. & Geol., VI. p. 458, 

 1861.— Gabb, Proc. Phil. Acad., 1861, p. 309.— Whiteaves, Can. Xat. & Geol., 

 VIII, p. 102, 1863.— Tryox, Proc. Phil. Acad., 1861, p. 398.— Bixxey, Land & 

 F.-W. Sh. X. A., II, p. 32, fig. 38, 1865.— Hubbard & Smith, Ann. X. Y. Lye. 

 X. H., VIII, p. 152, 1367.— Tryox, Amer. Journ. Conch., Ill, p. 196, 1 

 Currier, Kent. Sci. Inst., Mis. Pub.. Xo. 1, 1868. — Gould, Invert. Mass., Bin. 

 Ed., p. 471, fig. 723, 1870.— Smith & Prime, Ann. Lye. X. H., IX, p. 402. 187 

 Dall, Prcc. Bos. Soc. X. H., XIII, p. 248, 1870.— Tryox, Con. Hald. Mon., 

 p. 88 (62), 1572 (fig. 1, pi. 16 of Succinea pellucida Lea). Byrxes, L. & F.-W. 

 Sh. Cin., p. 1, 1372.— Sowb., Conch. Icon., XVIII, Lim. sp. 36, pi. 10, fig. 36 b., 

 1-72. — Jeffreys, Ann. Mag. X. H., iv., X, p. 247, 1872. — Smith, Rep. U. S. 

 Fish Com., pp. 701, 707. 13T4. — Jeffreys, Journ. Conch., I, p. 16, 1574. — Walker 

 and Beecher, Proc. Ann Arb. Sci. Asso.. p. 45, 1576. — Joxes, Moll. Xova S 

 p. 10, 1577. — Walker, Journ. Conch., II, p. 330, 1879. — Herox, Ottawa Xat., 

 I, p. 39, 1830; 35th Rep. X. Y. State Mus., p. 112, 1382. — Jordax, Xova Acta 

 Ksl.-Leop.-Carol. Deutsch. Akad. Xatur.. XLV. p. 367. 1383.— Ottawa N 

 p. 132. 1554.— Westerluxd, Vega. Expd., IV, p. 166, 1885.— Sampsox, Bull., 

 Sedalia X. H. Soc, Xo. 1, pp. 22, 23, 24, 1885.— Beauchamp, Sh. X. Y. State, 

 p. 3, 1386. — Heilprix, Trans. Wagner Inst., I, pp. 33, 49, 50, 1887. — Sampsox, 

 Amer. Xat. XXI, p. 85, 1887.— H. F. Carpexter, Sh. bear. Moll. R. I.. 2nd ed., 

 p. 5, 1339.— Taylor, Journ. Conch., VI, pp. 2S4, 287, 1390.— Ottawa Nat, IV. 

 p. 55, 1390. — Pilsbry, Xautilus. IV, p. 47, 1890. — Stearxs, Proc. Xat. Mus.. XIV. 

 p. 101, 1891.— Waltox, Proc. Roch. Acad. Sci., II, p. 12, pi. 6, figs. 3, 4, 1891.— 

 Sampsox, Ann. Rep. Ark. Geol. Surv., II, 1891, p. 194. — Pilsbry, Proc. Phil. 

 Acad., p. 406, 1891. — Taylor, Ottawa Xat.. VI, p. 35, 1892. — Walker, Xautilus, 



VI, p. 33, 1892.— Dean, Amer. Xat, XXVI, p. 11, 1392.— Sampsox, Xautilus, 



VII, p. 33, 1893.— Vaughax, Amer. Xat., XXVII. p. 952. 1593.— Marshall, 

 Rep. X. Y. State Mus.. XLVII. p. 64, 1S93; Rep. X. Y. Exhibits World's Fair, 

 p. 510, 1893. — Pilsbry, Proc. Phil. Acad., 1894, p. 24. — Sixgley, An. Rep. Geol. 

 Surv. Texas, IV, p. 313, 1893.— Stupakoff, Xautilus, VII, p. 135. 1594.— 

 Walker, Rev. Moll. Fauna Mich., p. 18, 1894.— Shick, Xautilus, VIII, p. 137, 

 1895. — Sargext, Xautilus, IX. p. 127, 1896. — Pilsbry and Rhoads, Proc. Phil. 

 Acad., 1896, p. 493.— Baker, Journ. Cin. Soc. X. H., XIX, p. 78, 1397; Trans. 

 Acad. Sci. St. Louis, VIII, p. 88, 1898. — Maury, Chautauqua Lake Shells, p. 25, 

 pi. 3, fig. 22, 1898. — Rhoads, Xautilus, XII, p. 138, 1899.— Sterki. Ann. Rep. Ohio 

 St. Acad. Sci., VIII, p. 34, 1900.— Stearxs, Proc. Xat. Mus.. XXIV. p. 291. 1901.— 

 — Letsox, Bull. Buf. Soc. X. Sci. VII, Xo. I, p. 244, 1901; Bull., X. Y. State 

 Mus., IX, Xo. 45, p. 244, 1901.— Baker, Trans. Acad. Sci. St. Louis. XL p. 2, 

 pi. 1, fig. 13, 1901; Moll. Chi. Area. p. 260, figs. 82, 83, pi. 30, fig. 26. 1902.— 

 Daxiels, Rep. Dept. Geol. and Xat. Res., Ind., XXVII, p. 636, 1902.— Blatchley 

 and Daxiels, Rep. Dept. Geol. and Xat. Res., Ind., XXVII, p. 598, pi. 1. fig. 

 15, 1902.— Pilsbry, Proc. Phil. Acad., p. 776, 1903.— Hixkley, Xautilus. XVIII, 

 p. 45, 1904.— Letsox, Bull. X. Y. State Mus.. LXXXVIII, P- 52, 1905.— Chad- 

 wick, Xautilus, XX p. 22. 1906: Bull. Wis. Soc. X. H., X. S., IV, p. 81, 1906.— 

 Letsox, Bull. Buf. Soc. Xat. Sci., IX. p. 242, 1909. 



