1660. Royal Society founded; incorporated 1662. Boyle's _Spring of Air and its Effects_. Ray's _Catalogus Plantarum circa Cantabrigiam nascentium_. 1661. Boyle's _Sceptical Chemist_. Passage of blood through capillaries observed by Malpighi. 1665. Hooke's _Micrographia_. 1666. Académie des Sciences founded. Composition of white light discovered by Newton. 1668. Redi on the Generation of Insects. 1669. Swammerdam's _Historia Insectorum Generalis_. Malpighi's _De Bombyce_. 1671-1677. Grew's _Anatomy of Plants_; collected in one volume, 1682. 1672-1679. Malpighi's _Anatome Plantarum_; collected in his Opera Omnia, 1686. 1673. Malpighi's _De formatione pulli in ovo_. Leeuwenhoek's first paper published by the Royal Society. 1675. Greenwich Observatory founded. Velocity of light determined by Roemer. 1676. Willughby's _Ornithologia_. 1677. Spermatozoa discovered by Hamm. 1680. Yeast-cells discovered by Leeuwenhoek. 1682. Ray's _Methodus Plantarum_. 1683. Bacteria discovered by Leeuwenhoek. 1687. Newton's _Principia_. 1691-1694. Camerarius on the sexes of flowering plants. 1702. Hydra discovered by Leeuwenhoek. 1711-1776. Hume. 1723-1790. Adam Smith. 1725. Vico's _Scienza Nuova_. 1734-1742. Réaumur's _Histoire des Insectes_. 1736-1810. Watt. 1737. Linnæus's _Systema Naturæ_; last edition by Linnæus, 1766. Linnæus's _Genera Plantarum_. 1737-1738. Swammerdam's _Biblia Naturæ_ published; written long before. 1738. Linnæus's _Classes Plantarum_. 1740-1761. Roesel von Rosenhof's _Insecten-Belustigungen_ begun. 1744. Trembley's _Polype d'eau douce_ (Hydra). 1745. Bonnet's _Traité d'Insectologie_ (aphids, Nais). 1748. Montesquieu's _Esprit des Lois_. 1749-1804. Buffon's _Histoire Naturelle_, the last volumes posthumous. 1752. Identity of lightning and electricity demonstrated by Franklin. 1753. British Museum founded. 1755. Black's experiments on carbonic acid and alkalis. 1759. C. F. Wolff's _Theoria Generationis_. 1760. Lyonet's _Traité Anatomique_, etc. (larva of goat-moth). 1770. New South Wales discovered by Captain Cook. 1775. Priestley's experiments on the restoration by green leaves of air vitiated by combustion or respiration, and on "dephlogisticated air" (oxygen). Adam Smith's _Wealth of Nations_. 1777. Spallanzani's experiments on the spontaneous generation of minute organisms. 1781. Uranus discovered by Herschel. Leroy's _Lettres sur les Animaux_ (first collected edition). 1784. Cavendish's _Experiments on Air_ (composition of water). 1785. Hutton's _Theory of the Earth_. 1787-1789. Lavoisier's _Méthode de nomenclature chimique_ (1787) and _Traité élémentaire de chimie_ (1789). 1789. First French Revolution. A. L. de Jussieu's _Genera Plantarum_. White's _Natural History of Selborne_. 1790. Goethe's _Metamorphosen der Pflanzen_.