Proceedings of the Bristol Naturalists' Society. New ser. Vol. 3 (1868)-v. 4 (1869).

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Proceedings of the Bristol Naturalists' Society. New ser. Vol. 3 (1868)-v. 4 (1869). Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.