Research Bibliography
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Filters: Author is Ruthven, Alexander Grant [Clear All Filters]
An ecological study of the fish fauna of the Douglas Lake region (Michigan) with special reference to the mortality of the species. Miscellaneous Papers on the Zoology of Michigan. Publication 20:27-36.
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1916. Dragonflies of the Douglas Lake region, Michigan. Miscellaneous Papers on the Zoology of Michigan. Publication 20:3-24or39-58.
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1915.