SPALANZANI (Abbé L.). OPUSCULES DE PHYSIQUE, ANIMALE ET VEGETALE. Pavie, Paris, Pierre J. Duplain, 1787. 3 vol. in-8° of [6]-124-352 ; [4]-730-[2] ; [4]-96-413-1bl. pages, marbled basane, spine ribbed and decorated, yellow pages (contemporary binding). Collective edition including the physics opuscules in 2 volumes and the experiments to be used in the history of the generation of animals and plants. A staunch opponent of the theory of spontaneous generation, his work makes him Pasteur's precursor. Decorated with 9 folding plates engraved by Jogan. The outer margin of around one hundred leaves is damp-stained.