Translation of: Esperienze intorno a diverse cose naturali, first printed in Florence, 1671.

Added, engraved title page reads: Francisci Redi Experimenta natvralia.

"Francisci Redi, nobilis Aretini, Observationes de viperis. Scriptae literis ad generosissimum dominum Laurentium Magalotti, magni ducis Hetruriae Camerarium. Ex Italica in Latinam translata", p. [1]-111, 4th count, has divisional title page.

"Francisci Redi nobilis Aretini, Epistola as aliquas oppositiones factas in suas Observationes circa viperas: scripta ad Alexandrum Morum, & D. abbatem Bourdelot, Dominicum de condé de S. Leger. Ex Italica in Latinam translata", p. [1]-52, 6th count, has divisional title page.

"Francisci Redi, nobilis Aretini, Observationes, circa illas guttulas & fila ex vitro quae, rupta in quacunque sui parte, penitus atque penitus comminuuntur. Ex ms. Italico Latinitate donatae", p. [53]-72, 6th count, has divisional title page.

"De ave diomedea dissertatio, cum verâ ejus effigie ari incisa, ex muséo D. Friderici Lachmund Hildelsheim ...", p. [1]-52, 7th count, has separate dated title page with imprint: Amstelodami: Apud Andream Frisium, 1674.

Signatures: pi² (pi1 verso blank) A-H¹² I⁸ a-e¹² (e5 missigned A5) (a1 verso blank) ²A-²C¹² (²A3 missigned ²A6) (²A1, ²C3 versos blank) ³A-³B¹² ³C⁶ (³C6 blank)

Includes indexes.

Engraved printer's vignettes on title pages; head and tail pieces.

Brunet IV:1175.

Prandi, D. Francesco Redi, 39.

Arents, G. Tobacco, 333.

NLM 17th century 9447.

Alden, J.E. European Americana, 675/139.

Brown, J.C. Cat., pre-1675, III:277.

John Carter Brown Library copy bound in contemporary full vellum over boards.

Provenance of the John Carter Brown Library copy: Langdon Hamburg Octo. 1814: ms. autograph on recto of front flyleaf; Brown University: book stamp on title page.