BUONANNI, FILIPPO. Observationes circa viventia, quae in rebus non viventibus reperiuntur. Cum micrographia curiosa. Rome: D.A. Herculis, 1691. Engraved title on 2Q2v and 68 engraved plates by Buonanni. 4to, contemporary vellum, spine gilt lettered, upper joint cracked, circular library stamp removed from title and patched. FIRST EDITION. Buonanni, a pupil of Athanasius Kircher, constructed his own compound microscopes for use in his scientific investigations. In the Observationes he defends his theories of spontaneous generation. The Micrographia curiosa, includes interesting observations on early microscopes. Garrison-Morton 264; Nissen ZBI 752; NLM/Krivatsy 1935; Norman 374.