OF NORTH AMERICA. 227 



p. 480, 1844. GOULD, Agassiz's Lake Sup., p. 244, 1850. LAPHAM, Trans. Wis. 

 State Ag. Soc., II, p. 368, 1852. MILES, Geol. Surv. Mich., p. 237, I860. DEAN, 

 Amer. Nat., XXVI, p. 18, 1892. HUETT, Nat. Hist. La Salle Co., p. 104, 1898. 

 TODD, Proc. Iowa Acad. Sci., VI, pp. 124, 125, 1899. HARTMANN, Cat. Moll. 

 Chester Co. HUBBARD, Cat. 



Limnophysa caperata MORSE, Journ. Port. Soc. N. H., p. 42, 1864. TRYON, 

 Amer. Journ. Conch., I, p. 254, 1865. CURRIER, Amer. Journ. Conch., I, p. 294, 

 1865. HARTMANN and MICHENER, Conchologia cestrica, p. 66, fig. 127, 1974. 

 PRIME, Forest & Stream, XV, p. 245, 1880. DECAMP, Kent. Sci. Inst, Mis. 

 Pub., No. 5, p. 8, 1881. CALL, Bull. Wash. Coll. Lab. N. H., I, p. 118, 1885 

 GRANT, Rep. Nat. Hist. Surv., Minn., XIV, p. 122, 1886. CALL, Bull. Wash. 

 Coll. Lab. N. H., II, p. 17, 1887. KEEP, West Coast Shells, p. 122, fig. .110, 1887. 

 KEYES, Bull. Essex. Inst., XX, p. 71, 1888; Bull. Essex. Inst., XX, p. 83, 1888. 

 GILBERT, Mon. U. S. Geol. Surv., I, p. 29. 1890. CALL, Proc. Ind. Acad. Sci., 

 1893, p. 150, 1893; Proc. Ind. Acad. Sci., 1895, p. 138; Proc. Ind. Acad. Sci., 

 p. 250, 1895; Proc. Ind. Acad. Sci., 1896, p. 250; Proc. Ind. Acad. Sci., 1896, 

 p. 254. BAKER, Journ. Cin. Soc. N. H., XIX, pp. 83, 84, 1897. CALL, Rep. Dept. 

 Geol. & Nat. Res. Ind., XXIV, p. 407, pi. 8, fig. 7, 1899. NORRIS, Proc. Ind. 

 Acad. Sci., p. 118, 1901. BLATCHLEY and ASHLEY, Rep. Geol. & Nat. Res. Ind., 

 XXV, p. 176, 1901. KEEP, West. Amer. Sh., pp. 149, 314, fig. 129, 1904. 



Limnea umbilicata LAPHAM, Trans. Wis. State Ag. Soc., II, p. 368, 1852. 

 MILES, Geol. Surv. Mich., p. 237, 1860. 



Lymnea umbilicata CURRIER, Sh. Grand Riv., Mich., 1859. 



Lymn&a umbilicata LEWIS, Proc. Phil. Acad., p. 18, 1860 ; Proc. Phil. Acad., 

 1872, p. 102 



Limnophysa umbilicata LEWIS, Bull. Buff. Soc. N. Sci., II, p. 135, 1874. 



Limnaa umbilicata D'URBAN/ Geol. Surv. Can., Rep. Prog., p. 242, 1859. 

 BELL/ Geol. Surv. Can., Rep. Prog., p. 252, 1859. CURRIER, Kent. Sci. Inst., 

 Mis. Pub., No. 1, 1868. ALDRICH, Rep. N. Y. State Cab. N. H., XXII, p. 23, 

 1868. JEFFREY'S Ann. Mag. N. H., Ser. 4, X, p. 247, 1872 (part) ; Journ. Conch., 

 I, p. 8, 1874 (part). BEAUCHAMP, L. & F.-W. Sh. N. Y., p. 3, 1886. MARSHALL, 

 Rep. N. Y. State Mus., XLVIII, p. 642, 1895. STERKI, Ohio Nat., II, p. 286, 

 1902. 



Limnaa caperata var. umbilicata, Ottawa Nat., I, p. 58, 1882. 1 Ottawa 1 

 Nat, IV, p. 56, 1890. 



Limncea caperata umbilicata BLATCH. & DANIELS, Rep. Dept. Geol. & Nat. 

 Res., Ind., XXVII, p. 597, pi. 1, fig. 13, 1902. DANIELS, Rep Dept Geo.. & Na.. 

 Res. Ind., XXVII, p. 636, 1902. BAKER, Moll. Chi. Area., II, p. 272, pi. 30, 

 fig. 19, text fig. 88, 1902. CHADWICK, Bull. Wis. Nat. Hist. Soc., n. s., IV, 

 p. 82, 1906; Nautilus, XX, p. 22, 1906. 



Lymncea caperata umbilicata BAKER, Bull. 111. State Lab. N. H., p. 105, 1906. 



Limnaa cubensis BAKER, The Museum, III, p. 154, 1897; Moll. Chi. Area., 

 p. 23, 1898; Trans. Acad. Sci. St. Louis, XI, p. 12, pi. 1, fig. 10, 1901. 



Limnophysa cubensis BAKER (non. Pfr.), Journ. Cin. Sci. N. H., XIX, p. 

 83, 1897. 



Limnaa ferrissi BAKER, Moll. Chi. Area, p. 277, pi. 31, fig. 26, 1902. 



Lymncea smithsoniana LEA, Proc. Phil. Acad., 1864, p. 113; Journ. Phil. 



lr rhese references may have been based on the true umbilicata, but in the 

 absence of the specimens, these records are left under caperata, for the present. 



