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



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

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

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 Identified from the Cretaceous and Tertiary Formations of that 

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

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 Merriam, C. Hart. 



1890. Results of a Biological Survey of the San Francisco Mountain Region 

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1898. Life Zones and Crop Zones of the United States. Bull. U. S. Dept. 

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1910. A. O. U. Check List. 

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

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 Michaud, Andre Louis Gaspard. 



1838. See Potiez. 

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1874. See Hartmann. 

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1841. Descriptions of Twenty-five New Species of New England Shells. 

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1842. Descriptions of Twenty- four Species of the Shells of New England. 

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Mighels, J. W. 



1843. a. Catalogue of the Marine, Fluviatile and Terrestrial Shells of the 



State of Maine and Adjacent Ocean. Bost. Journ. Nat. Hist., IV, pp. 

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1843, b. Descriptions of Seven Species of Shells Regarded as New. Proc. 

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1843, c. Descriptions of Six Species of Shells Regarded as New. Bost. 



Journ. Nat. Hist, IV, pp. 345-349. 

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1860. A Catalogue of the Mammals, Birds, Reptiles and Mollusks of Michi- 

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