L. de Puget - Observations sur la structure des yeux de divers insectes, et sur la trompe des papillons, contenuës en deux lettres au R.P. (Reverend Père) Lamy (François Lamy). Lyon, L. Plaignard, 1706. - Contemporary calf, gilt fillet border around sides, gilt ribbed spine. With 3 folding engr.aved plates with 16 illustrations (original size and microscopic views). (8), 157, (3) p. Small 8vo. Condition: Plates slightly frayed along fore-edge, occasional foxing and staining. Binding skillfully rebacked with use of the original backstrip, covers stained. * Horn & Schenkling 17511; Hagen, p. 54; Blake, p. 365; Cole Library 1109. Only edition of this pioneering work on the structure of insect (and crayfish) eyes and a butterfly probiscis, by a pioneer of French microscopy. Rare.