XXI I TABLE OF CONTENTS. 



CHAPTER IV. 

 PROTECTION AGAINST FOREST FIRES. 



SECTION I. FOREST FIRES CAUSED BY HUMAN AGENCY. PAGE 



1. Causes 638 



2. Kinds of forest fires <i3!> 



3. Damage done 640 



4. Register of tires . . . 645 



5. Protective measures (547 



6. Rules for extinguishing forest fires i;:>l 



7. Watching site of fire . . . . . ' 656 



8. Treatment of injured woods . ... . . . . . 657 



9. Insurance against forest fires 657 



SECTION II. EFFECTS OF LIGHTNING ON TREES . 658 



PAKT VI. 

 PEOTECTION AGAINST CEETAIN DISEASES. 



CHAPTER I. 

 GENERAL ACCOUNT . . ' . .671 



CHAPTER II. 



RED ROT. 



1. Description % 673 



2. Modifying factors . . . . 674 



3. Causes 675 



4. Damage done . . 677 



5. Treatment 077 



CHAPTER III. 

 WHITE ROT 679 



CHAPTER IV. 



STAG-HEADEDNESS. 



1. Description and causes 680 



2. Treatment . . 683 



