Author: Gray, E. W.
Title: Observations on the class of animals called, by Linnaeus, Amphibia; particularly on the means of distinguishing those serpents which are venomous, from those which are not so.
Description: London, The Royal Society, 1789. 4to (24.0 x 17.6 cm). 16 pp. Disbound. = The author describes a method to determine with certainty the difference between venomous and non-venomous snakes and blames Linnaeus for not attempting the separate the two groups accordingly. Whether the author was right remains debatable. Published in the Society's Philosophical Transactions, volume 89. A very good, clean copy. Rare.

Keywords: