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1887. Brief Notes on the Land and Fresh-Water Shells of Mercer Co., Ills. 

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1893. Land and Fresh-Water Shells of New York Exhibited at the World's 

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1894. Catalogue of New York Exhibits in Department M, Ethnology. Re- 

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1895. List of Shells Inhabiting the Vicinity, of Albany and Troy, N. Y. 

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Martens, Dr. Edward von. 



1865. Ueber die Mexicanischen Binnen-Conchylien aus den Sammlungen von 

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1865. Malak. Blatt., XII, p. 58. 



1872. Conchylien aus Alaschka. Mai. Blatt, XIX, p. 78. 



1898. Biologia Centrali Americana, Mollusca. 



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McGee, W. J. 



1891. The Pleistocene History of Northeastern Iowa. An. Rep. U. S. Geol. 

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 McGee, W. J., and Call, R. Ellsworth. 



1882. On the Loss and Associated Deposits of Des Moines. Ann. Journ. 

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1898. Chautauqua Lake Shells. Elementary Natural History Series, No. 1. 



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1860. Descriptions of Fossil Remains Collected in Nebraska and Utah, by 

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1866. Conrad's Eocene Smithsonian Check-List, p. 9. 



1873. Preliminary Paleontological Report, Consisting of Lists and Descrip- 

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1876. Report on the Palseontological Collections of the Expedition. Report 

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1876. A Report on the Invertebrate Cretaceous and Tertiary Fossils of the 

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1877. Paleontology. U. S. Geol. Surv. 40th Parallel, IV, p. 181. 



