LYMN-EID OF NORTH AMERICA. 273 
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p. 402, 1901—?SHimexk, Amer. Geol., XXVIII, p. 344, 1901—Baxer, Moll. Chi. 
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Pitspry, Proc. Phil. Acad., 1903, p. 777—WRriGHT, Rep. State Board Geol. Surv. 
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Limnophysa desidiosa Breck, Index, p. 111, 1837—Morsre, Journ. Port. 
Soc. N. H., I, p. 41, 1864——Currier, Amer. Journ. Conch., I, p. 294, 1865.— 
Tryon, Amer. Journ. Conch., I, p. 252, 1865.—Prrxins, Proc. Bos. Soc. N. H., 
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Rep. Dept. Geol. & Nat. Res. Ind., XXV, pp. 226, 248, 304, 1901. 
Limnophysa decidiosa Topp, Bull. U. S. Geol. Surv., No. 158, p. 70, 1899. 
Lymneus decidiosus KrrtLAND, Zool. Ohio, p. 174, 1838. 
Limnea decidiosa Dean, Amer. Nat., XXVI, p. 17, 1892. 
Limnea decidiosa Gass, Proc. Phil. Acad., 1861, p. 309.—Tryon, Proc. 
Phil. Acad., 1861, p. 398—Morcu, Amer. Journ. Conch., IV, p. 33, 1868—Journ. 
Geol IX, p. 292, 1903—Wuite, Proc. Amer. A. A. Sci., XX XIX, p. 241, 1890.— 
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Limnea (Limnophysa) decidiosa Harper, Journ. Cin. Soc. N. H., XVIII, 
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Limnea adeline, Nautilus, XII, p. 60, 1898. 
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