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    Periodical
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    Academic Journal

    Source: Proceedings of the American Philosophical Society; 1942, Vol. 86 Issue 1, p123-129, 7p

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    Academic Journal

    Source: Proceedings of the American Philosophical Society; 1929, Vol. 68 Issue 3, p227-274, 48p

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    Academic Journal
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    Periodical

    Source: Occasional Papers of the Boston Society of Natural History; 1905, Vol. 6, p1-43, 43p

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    Academic Journal

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    Academic Journal

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    Academic Journal

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