FERRIS, Samuel (1760-1831). A Dissertation on Milk, London: printed by John Abraham, sold by T. Cadell, R. Foulder, and C. Elliot, Edinburgh, [1785], 8°, FIRST EDITION, title with engraved vignette of Harvey, half title and errata leaf at end (half title, title and preliminaries with singed foremargin, neatly repaired, quire y heavily spotted), contemporary tree calf (rebacked). [Blake p. 146; Wellcome III, p. 21: "revised version of Harveian Prize Essay of 1782"]