78/2170 [Entomology]. Bonnet, C. Traité d'insectologie; ou observations sur les pucerons/ quelques especes de vers d'eau douce, Qui coupés par morceaux, deviennent autant d'Animaux complets. Paris, Durand, 1745, 1st ed., 2 vols., (4),XXXII,(6),228; (12),232p., 8 fold. engr. plates by HAUSSARD, 2 fold. tables, contemp. unif. gilt calf w. mor. letterpiece.

- Both vols. w. library stamp on title-p.; vol. 2 quire "I" misbound; plates sl. waterstained in margin. Bindings sl. rubbed/ worn; spine-ends chipped; ticket on spine; joints starting/ splitting; vol. 2 lacks letterpiece.

= A collection of observations regarding insects, esp. aphids and freshwater worms, by the Genevan naturalist Charles Bonnet (1720-1793). One table shows Bonnet's (hierarchical) chain of being, starting with humans, quadrupeds, birds and fish, and ending with metals, sulfurs, the four elements and "matières plus subtiles". Nissen, ZBI 462; Horn-Schenkling 1966.