238 



1. The economy of sap, 



2. The management of shelter, 



3. The means of preventing defective 

 timber. 



The importance of these particulars 

 has been already mentioned, and, we 

 trust, established ; so that here it is only 

 necessary to remind the reader of the cir- 

 cumstance. — If important in other situa- 

 tions, they are undoubtedly the same in 

 a wood ; this, however, seems the place 

 where the two former are most of all dis- 

 regarded. 



Every thing Ave find in books, upon the 

 subject, conveys the idea, that the system, 

 as now practised, is some centuries old, 

 which may be supposed a proof of its 

 value. But this is erroneous ; as it is 

 evident, from the masses of timber found 

 in old buildings, that, in this country, it 

 was once plentiful. And, if such plenty 

 were produced without attention^ where 



