294 INDEX. 



Bergman 



BerthoUet 



Bewley family 



Bewley, George 



Black 



Botticher 



Boscovich 



Botany 



Brewster, Sir D 



Boyle 



Calces 



Character of Dalton 



Characteristics, early 



Clouds, height of 



Colours, vision of 



Combining proportions in gases 



Condensation of air 



Court, presentation at 



Cullen 



Dalton, decline of 



Dalton family 



Davy Sir H 



Death of Dalton 



Des Cartes 



Democritus 



Diatomic theory 



Diogenes of Apollonia 



Dynamical theory 



Early life 



Elements, origin ot 



I — one 



two 



three 



four 



many 



Elliot 



Empedocles 



Eudiometry 



