New experiments upon vipers : with exquisite remedies that may be drawn from them as well for the cure of their bitings, as for that of other maladies : also a tetter [sic] of Francisco Redi, concerning some objections made upon his observations about vipers written to Monsieur Bourdelot and Mr. Alex. Morus : together with the sequel of New experiments upon vipers, in a reply to a letter written by Sign. Fredi /