Part 18

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.

1791. Galvani's experiments on animal electricity.

1792. Sprengel's Entdeckte Geheimniss der Natur. F. Huber's Nouvelles Observations sur les Abeilles.

1796. Cuvier on recent and fossil elephants.

1798. Jenner's Inquiry (vaccination against small-pox). Lithography invented by Senefelder.

1799. William Smith's Order of the Strata and their Embedded Organic Remains.

1799-1825. Laplace's Mécanique Celeste.

1800. Volta's electric pile.

1807. Dalton's Atomic theory. Davy's decomposition of potash and soda.

1811. Motor and sensory roots of spinal nerves discovered by Bell.

1812. Cuvier's Ossemens Fossiles.

1816. Cuvier's Règne Animal.

1819. Electro-magnetism discovered by Œrsted. Chamisso's De Salpa.

1823-1831. Pollen-tubes traced to the ovule (Amici, Brongniart, Robert Brown).

1827. Discovery of mammalian ovum by Baer.

1828-1837. Baer's Entwickelungs-geschichte.