Louis Agassiz / words spoken by Professor William James at the reception of the American Society of Naturalists by the President and Fellows of Harvard College, at Cambridge, on December 30, 1896.

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Louis Agassiz / words spoken by Professor William James at the reception of the American Society of Naturalists by the President and Fellows of Harvard College, at Cambridge, on December 30, 1896. Public Domain Mark. Source: Wellcome Collection.