Notes on the families and genera of tortoises (Testudinata) : and on the characters afforded by the study of their skulls / by John Edward Gray.

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Notes on the families and genera of tortoises (Testudinata) : and on the characters afforded by the study of their skulls / by John Edward Gray. 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.