Venice: Pasquali, 1801. hardcover. 3 engraved folding plates (in Vol. II). 3 vols. 12mo, original soft blue boards, Vol. I. with early inked notations on covers; uncut, manuscript notations on endpapers of Vol. I, Vol. III shaken. Venice, 1801. Scarce. Very good (+). very good(+).
The first section of this work is a treatise on digestion arranged in 264 sections. In it Spallanzani confirmed earlier doctrines of the solvent nature of gastric juices and discovered the action of saliva in digestion. The second part on the generation of animals contains his arguments against the theory of spontaneous generation, in which his conclusions anticipated those expressed by Pasteur nearly a century later. The work incorporates 2 letters of comment and suggestions by Bonnet. GM 981 (First ed.).