ERRATA. 



Page 37, line 21, for auric chloride 



(aqua regia, ^R) read auric chloride, aqua regia, /R. 



38, 2, cupel cupels. 



70, i, Canterbury Tales The Canterbury Tales. 



22, If they 



80, 24, give 



129, 6, membrance 



147, 21, points 



If the alchemists. 



gave. 



membrane. 



point. 



to Socialism. 



158, 7, of Socialism 



J 76, 3> 3 > Manganese dioxide of Manganese. 



metal 



mineral. 



6, Prussian 

 210, 9, 1,21279 



Prussic. 



1,21279 days. 



215, 33, earth's surface earth's surface, at sea-level. 



231, 6, polaroscope polariscope. 



284, 17, no less in letters no less than in letters. 



256, 29. Hydrogen. Note: In contradiction to the text-books 

 the liquefaction and solidification of Hydrogen has 

 not been confirmed by other experimenters. 



