The navy-surgeon, or, A practical system of surgery : illustrated with observations on such remarkable cases as have occurred to the author's practise in the service of the Royal Navy : to which is added, a treatise on the venereal disease ... : in which the dispute between Dr. Dover and Dr. Turner, concerning crude mercury, is fully cosider'd ... : also an appendix, containing physical observations on the heat, moisture, and density of the air on the coast of Guiney : the colour of the natives : the sicknesses which they and the Europeans trading thither are subject to : with a method of cure