Author: Hunter, J.
Title: Observations tending to shew that the wolf, jackal, and dog, are all the same species.
Description: London, the Royal Society, 1787. 4to. 14 pp. Disbound. = According to the author, the Scottish anatomist, physiologist and surgeon John Hunter (1728-1793), "the true distinction between different species of animals must ultimately, as appears to me, be gathered from their incapacity of propagating with each other an offspring capable again of continuing itself by subsequent propagations..." He continues with showing that wolf, dog, and, wrongly on account of a third party, the jackal are one species. Published in the Society's Philosophical Transactions. A light stain by an old ribbon, otherwise a very good, clean copy.

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