lymnteim; of north America. 493 



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

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

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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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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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Mighels, J. W. 



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



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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. 

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