476 Inquiries relative to the Structure of Wood. 



Heat developed in the Combustion of Wood. (Continued.) 



These experiments might lead to a great number of 

 observations ; but I shall endeavour to reduce them to 

 the exposition of a few simple facts which they pre- 

 sent. 



One fact, certainly very curious and of the first im- 

 portance to the knowledge of the vegetable economy, 



