On the atmospheric germ theory and origin of infusoria : a lecture delivered to the Royal College of Surgeons of Edinburgh, 17th January 1868.

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On the atmospheric germ theory and origin of infusoria : a lecture delivered to the Royal College of Surgeons of Edinburgh, 17th January 1868. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.