ARBUTHNOT, John (1667-1735). An Essay concerning the Nature of Aliments, and the Choice of them, according to the different constitutions of human bodies, London: J. Tonson, 1731, 8°, FIRST EDITION (large part of upper margin of title cut out, lower corner to M2 torn away, a few margins and final text leaf soiled), contemporary calf (front cover almost detached), various early inscriptions including the Medical Society of Aberdeen. [Blake, p. 17; Wellcome II, p. 52]; An Essay concerning the Effects of Air on Human Bodies, London: J. and R. Tonson and S. Draper, 1751, second edition, half title (upper inner margin of last few leaves wormed, lower inner margin wormed throughout, occasional light staining), contemporary calf gilt, contrasting lettering-piece (front cover detached, upper rear joints cracked, rubbed, new endpapers, unobtrusive library stamp). [Blake, p. 17; Wellcome II, p. 52] (2)