On our knowledge of the causes of the phenomena of organic nature : being six lectures to working men, delivered at the Museum of Practical Geology / by Professor Huxley.

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On our knowledge of the causes of the phenomena of organic nature : being six lectures to working men, delivered at the Museum of Practical Geology / by Professor Huxley. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.