Carigueya, Seu Marsupiale Americanum Masculum. Or, The Anatomy of a Male Opossum: In a Letter to Dr Edward Tyson, from Mr William Cowper, Chirurgeon, and Fellow of the Royal Society, London. To Which are Premised Some Further Observations on the Opossum; And a New Division of Terrestrial Brute Animals, Particularly of Those That Have Their Feet Formed Like Hands. Where an Account is Given of Some Animals Not Yet Described. By Edward Tyson, M. D. Fellow of the College of Physicians and of the Royal Society