INDEX. 297 



PAOB 



Photograph 27» 



Plato 84 



Playfair 88 



Polyhylic theory 289 



Portrait 61 



Pressure — in gases 87 



Proportion, B. Higgins 171 



W. Higgios 177 



Prothylic theory 389 



Proust 220 



Prima materia 110, 118 



Putrefaction 102, 107 



Pythagoras 80 



Quinta essentia 107 



Rtun and dew 



Ransome, J. A 



Rarefaction of air 



Reasoning, rapidity of 



Religion, as a chemical agent 



Repulsion 



Richter 



Ripley 



Royal Society 



Rumford, Count 



Salt, alchem 



Salts, bulk in water 



Saturation 



School advertisements 



Shunck, E 



Sea, water that flows into 



Sennertus 



Shaw 



Social life 



Spiritual origin of matter 



Springs 



Society, Literary and Philosophical 



Stahl' 



Statue of Dalton 



Steam 



2Q 



