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Credit
Observations on some parts of natural history : to which is prefixed an account of several remarkable vestiges of an ancient date, which have been discovered in different parts of North America. Pt. I / by Benjamin Smith Barton. Public Domain Mark. Source: Wellcome Collection.
Provider
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.