302 APPENDIX II 



Petrograd, 1843-65. Erected numerous magnetic observa- 

 tories, etc., in Eussia. 



LACAILLE, Nicolas Louis de (1713-62), French astronomer, 

 mathematical professor in Mazarin College ; astronomical 

 expedition to Cape of Good Hope, 1750 ; published observa- 

 tions of 10,000 southern stars, 1763, etc. 



LALANDE, Joseph Jerome Lefrangais de (1732-1807), 

 French astronomer ; professor of astronomy in College de 

 France, 1762-1807 ; a popular lecturer and voluminous 

 writer. 



LEMON, Sir Charles (1784-1824), F.R.S.; M.P., 1807-12, 

 1830-41, 1852-57; a founder of the Statistical Soc., 

 1834 ; president, Royal Geographical Soc. of Cornwall, 

 1840-50. Botanical collections in Cornwall. 



LEVERRIER, Urbain Jean Joseph (1811-77), professor 

 of astronomy, Faculty of Sciences, 1846 ; member of 

 Legislative Assembly, 1849 ; director, Paris Observatory, 

 1854-70, 1873-77. Researches on planets; joint discoverer 

 (by mathematics) of planet Neptune, 1847. 



LEVI, Leone (1821-88), commercial jurist, of Italian 

 birth ; professor of commercial law, King's Coll., London, 

 1852. Author of important works on commercial law, 

 British commerce, etc. 



LIEBIG, Baron Justus von (1803-73), F.R.S. ; created 

 Baron, 1845 ; professor of chemistry, Giessen Univ., 1824- 

 1852 ; professor of chemistry, Munich Univ., 1852-73 ; 

 president of Academy of Sciences, Munich. Researches 

 and discoveries in chemistry, largely agricultural. 



LIVINGSTONE, David (1813-73), missionary and African 

 explorer, in Bechuanaland, 1841 ; Kalahari desert and lake 

 Ngami, 1849 ; Zambezi river, 1853 seqq. ; lake Nyasa, 

 1861 ; lake Tanganyika, etc., 1867 seqq. ; joined by H. M. 

 Stanley at Ujiji, 1871. 



LUBBOCK, Sir John William (1803-65), F.R.S. ; Bart., 

 1840 ; first vice-chancellor, London Univ., 1837-42 ; 

 treasurer, Great Exhibition. 1851 ; mathematician. Re- 

 searches in astronomy and tidal observations. 



LYNCH, Henry Blosse (1807-73), Indian navy ; survey of 



