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 Lull, R. S. 



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 Marsh, O. C. 



1889A. Discovery of Cretaceous Mammalia. This Journal (3), xxxviii, 



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 1889B. Discoverv of Cretaceous Mammalia, Part II. Ibid., pp. 177- 



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 Matthew, W. D. 



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 Osborn, H. F. 



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 Peale. A. C. 



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 Stanton, T. W. 



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 Stanton, T. W., and Hatcher, J. B. 



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 Stanton. T. W., and Knowlton, F. H. 



1897. Stratigraphy and paleontology of the Laramie and related 

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