Abstract of a lecture upon the classification and structure of the leech : delivered before the members of the Pharmaceutical Society / by H. Letheby.

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Abstract of a lecture upon the classification and structure of the leech : delivered before the members of the Pharmaceutical Society / by H. Letheby. 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.