BONNET (Charles). ?uvres d'histoire naturelle et de philosophie. Neuchâtel, Fauche, 1779-1783. 8 volumes in 10 vol. in-4° full blond leopard-printed basane, spine with gilt and ornamented nerves (Binding of the period). Decorated with 1 engraved portrait of the author as a frontispiece, 57 folding engraved plates, 3 folding tables and several engraved head and foot vignettes including an armorial dedication vignette in volume 6. Partly first collective edition of the works of the Genevan philosopher and naturalist Charles Bonnet (1720-1793), it was published in a current edition in in-8° format and some copies were printed in in-4° like this one. Several jaws partially cracked, browned pages and minor soiling to some volumes. Fairly good condition Binding: Jaws partially cracked Spine cracked Wear rubs Hinges cracked to several volumes. Inside pages: Several slightly browned signatures Vol.1 similarly washed, all pages slightly browned Several browned plates Some loose seams on some signatures in some volumes Minor paper defects from the time of printing Soiling of the inner margin of vol.8. Page 423-424 of vol.6 (vol.8) is missing. Collation : Vol.1 - T1 : [2] ff, XXXI, [1] p., 574 pp. Vol.2 - T2 : [2] ff., II, 524 pp., [2] ff. Vol.3 - T3 : [2] ff., XVI, 579 pp. Vol.4 - T.4 1st part: [2] ff., XX, 396 pp. Vol.5 - Vol.4 2nd part: [2] ff. 502 pp. and [1] f. Vol.6 - T.5 1st part: [2] ff. IV, 395 pp. and [1] p. Vol.7 - T.5 2nd part:: [2] ff. 412 pp. 2 pp. Vol.8 - T6 : [4] ff, XXIV, 425 pp., [1] p. Vol.9 - T7 : [2] ff, II, VIII, 698 pp. Vol.10 - T8 : XVI, X, [1] f., 509 pp.