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1876. Report on the Palaeontological Collections of the Expedition. Re- 

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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. 

 Meek, F. B. and Hayden, F. V. 



1856. Descriptions of New Species of Acephala and Gasteropoda, from the 

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1856. Descriptions of New Fossil Species of Mollusca Collected by Dr. 

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1860. Systematic Catalogue with Synonyma, etc., of Jurassic, Cretaceous 

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1896. Sigmogomphius Le Contei. A New Castoroid Rodent from the 

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 Miller, S. A. 



1880-81. North American Mesozoic and Caenozoic Geology and Palaeon- 

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etc. Cincinnati, 1881. 

 Palache, Charles. 



1902. See Lawson, Andrew C. 

 Peale, A. C. 



1879. Report on the Geology of the Green River District. An. Report 



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 Pilsbry, H. A. 



1905. Review of Dall's Alaska Mollusks, Nautilus, XIX, p. 95. 

 Russell, Israel C. 



1884. A Geological Reconnaissance in Southern Oregon. An. Rep. U. S. 



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 Russell,, Frances W. 



1891. Preliminary Notes on the Geology of Central Nebraska. Amer. 

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1892. Notes upon Nebraska Tertiary. Amer. Geol., IX, p. 178, 1892. 



Salisbury, R. D. 



1906. See Chamberlin, T. C. 



