CONTENTS 



Improvement work in selection forests 

 Damage cuttings .... 

 Prunine ..... 



PAGE 



220 

 221 

 22.1 



Chapter VII. — Protection of Forests from Fire . 225 



Character of forest fires . . . 226 



Surface fires ....... 226 



Inflammable material . . . . . .2.2.7 



Topography ....... 229 



Character of the soil 230 



Condition of the atmosphere .... 230 

 Rapidity of surface fires . . . . .230 



Grass fires . . . . . . . 2M 



Brush fires 231 



Ground fires ....... 2A2 



Crown fires ....... 233 



Damage by fires . . . . . . .235 



Death of standing trees . . . . .235 



Injury to trees 238 



V Injury to the soil 240 



Reduction of density .... 241 



Influence on reproduction .... 242 



The prevention of fires ..... 244 



Elimination of the causes of fires . . . 245 



Organization of the forest .... 246 



Disposal of slash 247 



Disposal of brush and debris .... 249 



Piling and burning brush as logging procee 's 249 



Piling and burning brush in separate operations 251 



Lopping the tops . . . . 260 



