380 THE CHICAGO ACADEMY OF SCIENCES. 



surface was without the distinct spiral striae of such specimens as 

 caperata. The outline figure in Binney's work is not particularly good, 

 but Haldeman's figure 12 is very characteristic. The references to 

 New York localities by Beauchamp and Lewis, as well as the Quebec 

 records, need confirmation. 



Galba catascopium (Say). Plate XXX, figures 25-6 ; plate XL, 

 figures 6-35; plate LXI, figures 1-4; plate XLVII, figure 10. 



Lymnaa catascopium SAY, Nioh. Encyc., Am. Ed. IT, pi. 2, fig. 3, 1817 (no 

 pagination). GOULD, Lamarck's Genera, p. 69, 1833. EARLE, Geol. & Zool. 

 Mass., p. 558, 1833. RAVENEL, Cat., p. 11, 1834. HITCH., Geol. Zool. Mass., p. 

 558, 1835. WHEATLEY, Cat. U. S. Sh., p. 23, 1845. JAY, Cat., p. 268, 1852. 

 LEWIS, Proc. Bost. Soc. N. H., V, p. 27, 1854 ; Proc. Bost. Soc. N. H., V, p. 122, 

 1855. SAY, Binney ed., p. 45, pi. 2, fig. 3, 1858. LEWIS, Amer. Journ. Conch., 

 IV, p. 4, 1868; Proc. Phil. Acad, p. 101, 1872. BAKER, Amer. Nat, XXXIX, 

 p. 674, 1905. DALL, Alaska Moll., p. 77, fig. 60, 1905. BAKER, Bull. 111. State 

 Lab. N. H., VII, p. 104, 1906; Trans. Acad. Sci. St. Louis, XVI, p. 12, 

 pi. 1, figs. 15-16, 1906. STERKI, Proc. Ohio State Acad. Sci., XX, p. 382, 1907. 

 LERMOND, Shells of Maine, p. 38, 1908. WALKER, An. Rep. Geol. Surv. Mich., 

 1908, p. 290, 1909. GLEASON, 1, c., p. 64, 1909. 



Limneus catascopium SAY, Amer. Conch., VI, pi. 55, fig. 2, 1834; Binney's 

 Ed., p. 211, 1858. 



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



Lymnea catascopium DEKAY, Cat. An. N. Y., p. 32, 1839. ADAMS, Amer. 

 Journ. Sci., XXXVI, p. 392, 1839. LEWIS, Proc. Phil. Acad., 1860, p. 19. 



Limnea catascopium SOWB., Fauna Bor. Amer., p. 316, 1836. HALD., Mon. 

 Lim., p. 6, pi. I, figs. 1-8, 1842. DEKAY, Zool. N. Y., p. 67, pi. 5, fig. 80, 1843. 

 GOULD, Agassiz's Lake Sup., p. 244, 1850. LAPHAM, Trans. Wis. State Ag. Soc., 

 II, p. 368, 1852. HARTMANN and MICHENER, Conchologia Cestrica, 1874. IN- 

 GERSOLL, Rep. U. S. Geol. & Geog. Surv. Terr., 1874, p. 406 (part) ; Bull. U. S. 

 Geol. & Geog. Surv., I, p. 139, 1875 (part). HENDERSON, Nautilus, XX, p. 98, 

 1907. 



Limncea catascopium POT. & MICH., Gal. des Moll., I, p. 216, pi. 22, figs. 

 3, 4, 1838. GOULD, Invert. Mass., p. 223, 1841. PRESCOTT, Cat. Sh. Mass., p. 

 188, 1842. READ, Cat. 1845. REEVE, P. Z. S., 1850, p. 49. GOULD, Proc. Bost. 

 Soc. N. H., Ill, p. 181, 1850. STIMPSON, Sh. N. Eng., p. 52, 1851. Can. Nat. 

 & Geol., II, p. 201, 1857. BELL, Can. Nat. & Geol., IV, p. 213, 1859 ; Geol. Surv. 

 Can., Rep. Prog., p. 252, 1859. BINNEY, Check List, p. 12, I860. LAPHAM, 

 Proc. Phil Acad., 1860, p. 155.^REEVE, Elements of Conch., p. 179, I860. GABB., 

 Proc. Phil. Acad., 1861, p. 309. TRYON, Proc. Phil. Acad., 1861, p. 398. WHIT- 

 EAVES, Can. Nat. & Geol., VI, p. 458, 1861 ; Can. Nat. & Geol., VIII, pp. 51, 103, 

 1863. CARPENTER, Rep. Brit. Asso., 1864, p. 674 (part). BINNEY, L. & F. W. 

 Sh. N. A., II, p. 53, figs. 80, 81, 82, 85, 1865. TRYON, Amer. Journ. Conch., Ill, 

 p. 196, 1867. MORCH, Amer. Journ. Conch., IV, p. 34, 1868. CURRIER, Kent 

 Sci. Inst, Mis. Pub., No. 1, 1868. LEWIS, Amer. Journ. Conch., VI, p. 85, 1870 

 BALL, Proc. Bost. Soc. Nat. Hist., XIII, p. 248, 1870. SMITH & PRIME, Ann. 

 Lye. Nat. Hist., IX, p. 379, 1870. GOULD, Binney Ed., Invert. Mass., p. 479, 

 fig. 730, 1870. KOBELT, Mai. Blatt., XVIII, p. 115, 1871. SOWB., Conch., Icon., 

 Lim., XVIII, sp. 33, pi. 5, fig. 33, 1872. CARPENTER, Smith. Mis. Coll., X, p. 160, 



