10 CONTENTS. 



Catalogue of publications Continued. 

 XVIII. Forest utilization Continued. 



c. Wood-using industries Continued. Page. 



7. Basket willows 233 



8. Miscellaneous , 233 



d. Forest by-products. 



1. Maple sugar 235 



2. Naval stores 236 



3. Gums, resins, and extracts 237 



XIX. Wood technology. 



a. General 243 



. b. Properties 246 



c. Uses 249 



XX. Wood preservation. 



a. General 250 



b. Preservatives and processes .*. 251 



e. Treatment of wood for different uses 253 



