XXI I 



TABLE OF CONTENTS. 



CHAPTER IV. 



PROTECTION AGAINST FOKEST FIRES. 

 Section I. — Foeest I^'ires caused by Hu.max Agexcy. page 



1. Causes 638 



2. Kinds of forest fires Gii'J 



3. Damage done 640 



4. Register of fires i>V> 



"). Protective measures (JI7 



6. Rules for extinguishing forest fires 654 



7. Watching site of fire 656 



8. Treatment of injured woods 657 



9. Insurance against forest fires 657 



Section II. — Effects of Lightning on Tuees 658 



PART VI. 

 PROTECTION AGAINST CERTAIN DISEASES. 



CHAPTER L 

 GENERAL ACCOUNT 671 



CHAPTER II. 

 RED ROT, 



1. Description 673 



2. Modifying factors 674 



3. Causes 675 



4. Damage done 677 



5. Treatment 677 



CHAPTER III. 

 WHITE ROT . . ' 679 



CHAPTER IV. 



STAG-HEADEDNESS. 



1. Description and causes ......... 680 



2. Treatment 683 



