SPALLANZANI, Lazzaro (1729-99). Expériences sur la Digestion de l'Homme et de différentes Espèces d'Animaux, translated from Italian by Jean Senebier, Geneva: Barthelemi Chirol, 1783, 8°, FIRST SEPARATE EDITION (light spotting), contemporary Dutch wrappers ornamented in red (rebacked), uncut. [Blake p. 427; Heirs 985]; Mémoires sur la Respiration, translated from Italian by Jean Senebier, Geneva: J.J. Paschoud, An XI (1803), 8°, FIRST EDITION IN FRENCH, half title (title and first few leaves lightly dampstained, small hole to V6, occasional spotting), contemporary marbled boards (rebacked with calf, new lettering piece), ex Medical Society of Edinburgh Library with title inscription. [Heirs 989; Waller 9101] (2)