SPALANZANI. NEW RESEARCH ON MICROSCOPIC DISCOVERIES and the Generation of Organised Bodies. London, Paris, Lacombe, 1769. 2 volumes in 1 vol. in-8 of [2]-2-54-[2]-298-2bl.-[4]-16-293-1bl.-[1]-1bl. pages, marbled basane, spine ribbed and decorated, red tr. First French edition of this book of great importance in the history of biology. It contains the author's famous experiments on the generation of infusorial micro-organisms, spermatic malcules, etc., and is illustrated with 9 DRAWINGS, six of which are folded. One of them is a map of the Alps showing how to determine altitude. Joints cracked, some foxing.