LYMNZIDH OF NORTH AMERICA, 243 
Galba parva (Lea). Plate XXIX, figures 5-14; plate XXX, 
figures 9-12. 
Lymnea parva Lea, Proc. Amer. Phil. Soc., II, p. 33, 1841; Trans. Amer. 
Phil. Soc., IX, p. 14, 1844; Obs., IV, p. 11, 1848—Hawnna, Nautilus, XXIII, p. 
96, 1909.—ScuppEr, Bull. Nat. Mus., 23, pp. 33, 44, 201, 1885. 
Lymnea parva WuHeattey, Cat. U. S. Shells, p. 23, 1845.—Wotr, Amer. 
Journ. Conch., VI, p. 28, 1870.—Baxer, Nautilus, XVIII, p. 126, 1905; Bull. Ill. 
State Lab. N. H., VII, p. 104, 1906—Watker, Journ. Conch., XII, p. 240, 1909.— 
Lermonp, Shells of Maine, p. 38, 1908.—Baker, Nautilus, XXIII, p. 94——Pi_sBry 
and Ferris, Proc. Phil. Acad., 1909, p. 515, 1910. 
Lymnea parvus Henperson, Univ. Col. Studies, IV, pp. 93, 179, fig. 32, 
1907.—STERKI, Proc. Ohio State Acad. Sci. IV, p. 382, 1907. 
Limnea parva Bett, Geol. Surv. Can., Rep. Prog., p. 252, 1859.—BINNEY, 
Check List, p. 12, 1860; L. & F. W. Sh. N. A., II, p. 64, fig. 102, 1865——Tryon, 
Amer. Journ. Conch., III, p. 196, 1867—C eEssin, Mal. Blatt, n. s. III, p. 81, 
1881.—Marsu, Conch. Exch., II, p. 110, 1887——Crapp, Nautilus, VIII, p. 116, 
1895.—_CHADwWICcK, Bull. Wis. Nat. H. Soc., n. s., IV, p. 83, 1906. 
Limnea parva AnTHONY, List. L. & F. W. Sh. Cin., 1843. 
Limnea humilis parva SuHimeEK, Bull. Lab. N. H. Univ. Iowa, I, pp. 209, 
210, 211, 1890; Bull. Lab. N. H. Univ. Iowa, II, p. 90, 1893. 
Limnophysa humilis McGee and Carr, Amer. Journ. Sci., iii, XXX, p. 208, 
1882 (part). 
Lymnea humilis var. parva? Jay, Cat., p. 269, 1852. 
Lymnea humilis var. parva Topp, Proc. A. A. A. S;, SOV IL, -p. 235, 1878. 
Lymnea curta LEA, Proc. Amer. Phil. Soc., II, p. 33, 1841; Trans. Amer. 
Phil. Soc., IX, p. 11, 1844; Obs., IV, p. 11, 1848; Journ. Phil. Acad., VI, p. 163, 
1866; Obs., XI, p. 119, 1867—Scupper, Bull. Nat. Mus., 23, pp. 33, 44, 200, 1885. 
Lymnea curta WHEATLEY, Cat. U. S. Sh., p. 23, 1845.—Wotr, Amer. Journ. 
Conch., VI, p. 28, 1870. 
Limnea curta Binney, Check List, p. 12, 1860; Land & F. W. Sh. N. A, 
II, p. 64, fig. 101, 1865—Tryon, Amer. Journ. Conch., IIT, p. 196, 1867.—CLESSIN, 
Mal. Blatt., n. s., III, p. 81, 1881. 
Limnea truncatula Wuirteaves, Nautilus, XIX, p. 4, 1905; Ottawa Nat., 
XIX, p. 66, 1905. 
Limnea tazewelliana Wortr, Amer. Journ. Conch., V, p. 198, pl. 17, fig. 2, 
1869.—Baker, Bull. Ill. State Lab., N. H., VII, p. 103, 1906. 
SHELL: Small, rather solid, turreted, translucent; periostracum 
light horn or yellowish white, pellucid; surface shining, growth lines 
close set and well marked, sometimes elevated so as to roughen the 
surface of the last whorl; spiral lines very fine or absent; whorls 
5-514, very convex, regularly increasing in size; nucleus of 114 whorls, 
smooth, with satin-finish sculpture; in outline the nucleus is rounded, 
the first whorl being very large; the sculpture begins abruptly, as 
shown in figure H, plate XLIX. Spire elevated, forming an acute 
pyramid, generally longer than the aperture; sutures deeply impressed ; 
