PROGRESS IX DISCOVERY 



361 



1668 Redi : disproved spontaneous 

 generation of insects by 

 the discovery of eggs and 1794 

 larvae ; wrote ff Esperienze 

 intorno alia Generazione 

 degl' Insetti " 



1070 Mayow : studied animal res- 1796 

 piration 1796 



1671 Hooke : worked out micro- 

 scopical structure of plants 1800 



1680 Borelli: proved that all the 

 movements of animals are 

 caused by muscles pulling 1801 

 on bone levers; wrote "De 

 Motu Animalium" 



1682 Grew : studied structure of 

 plants 



1693 Kay : classified plants 1801 



1727 Hales: investigated respiration 

 of plants 



- 1743 Haller: father of modern 



physiology 



1744 Reaumur : studied insects 1804 



* 1749 Buffon : wrote a natural his- 



tory 1807 



1 7 ">3 Linnaeus : classified plants 



1761 Kolreuter: studied hybridiza- 

 tion of plants 1811 



1 76 1 Bonnet : evolutionist ; grouped 

 animals in an ascending se- 

 ries 1818 



1772 Rutherford: discovered ni- 

 trogen 1823 



1774 Priestley: discovered oxygen 



and studied the breathing 

 of plants 



1775 Spallanzani : disproved spon- 



taneous generation of bac- 1830 

 teria and molds and demon- 1835 

 strated presence of living 1838 

 germs in the air 



1789 Galvani : discovered animal 1838 



electricity 



1790 Goethe: worked out a scheme 



for the metamorphosis of 

 the parts of plants 



Darwin, Erasmus: grandfather 

 of Charles Darwin ; wrote 

 "Zoonoinia," a long poem 

 outlining evolution of life 



Jenner : discovered vaccination 



Sprengel : studied fertilization 

 of plants 



Cuvier: studied comparative 

 anatomy ; wrote " Le Regne 

 animal," 1817 



Lamarck: invented a scheme - 

 for the evolution of animals 

 (by conscious effort and in- 

 heritance of acquired char- 

 acters ; not proved) 



Treviranus : introduced the 

 name "biology" as dis- 

 tinguished from "botany," 

 ' f zoology, " f ' physiology, ' ' 

 "anatomy," etc. 



Humboldt : studied distribu- 

 tion of plants 



Rumford, Count : demon- 

 strated absorption of car- 

 bonic acid by plants 



Bell, Charles : discovered mo- 

 tor and sensory nerve roots ; 

 founder of modern neurology 



G. St. Hilaire : pointed out 

 unity of plan in animals 



Baer : discovered the law of 

 embryological development 

 (higher forms repeat the 

 evolutionary series as the 

 embryos develop) 



Brown : described cell nucleus 



Dujardin : studied protoplasm 



Schleiden : discovered the cell 

 as unit of structure in plants 



Schwann : discovered the cell 

 as unit of structure in ani- 

 mals 



