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 



c. Treatment of wood for different uses. . 253 







