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1900. The Lakes of Northern Indiana and Their Associated Marl Deposits. 

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 Blatchley, W. S., and Daniels, L. E. 



1902. On Some Mollusca Known to Occur in Indiana. An. Rep. Dept. 

 Geol. and Nat. Res. Ind., XXVII, pp. 577-628. 



Bourguignat, M. J. R. 



1860. Amenites Malacologiques. Vol. II. 



1862. Les Spicileges Malacologiques. Paris, 1862 (Reprinted from Magasin 

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1893. A Catalogue and Bibliography of North American Mesozoic Inver- 

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1888. Zur Frage der Selbstbefruchtung bei Zwitterschnecken. Nach. 

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1904. The Loess. Amer. Geol., XXXIII, p. 393. 

 Brot, A. 



1877. Proc. Verb. Soc. Mai. Belg., VI, p. xlviii. 

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1903. Notes on the Land and Fresh-Water Shells of Barbadoes. Journ. 

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Bunker, Robert. 



1880. Can Snails Mend their Shells. Amer. Nat., XIV, p. 522. 

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1885. See Moore, D. R. . 

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1880. (Filaments on jaws of . Limnzea stagnalis.) Journ. Conch., Ill, p. 

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Byrnes, R. M. 



1872. List of Land and Fresh Water Shells found in the Vicinity of Cin- 

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 C, E: J. 



1858. Alleged Discovery of a Fossil Conus in the Drift of Western .Canada. 

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1874, a. The Land and Fresh Water Shells of La Salle County, Illinois. 



Proc. Ottawa Acad. Nat. Sci., 1874. 

 1874, b. .Notes on the Fresh- Water Mollusca, Found in the Vicinity of Chi- 



. cago, Illinois. Cin. Quart. Journ. Sci., I, No. 3, pp. 242-247, July. 

 1874, c. Notes on the Molluscan Fauna of Northern Illinois. Cin. Quart. 

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 Call, R. Ellsworth. 



1881,; a. Fossils of the Iowa Loess. Amer. Nat, XV, pp. '585-586, July. 



1881, b: The" Lcess. in .Central Iowa. Amer. Nat.,. XV, pp. 782-784, October. 



