TABLE OF CONTEXTS. XV 



PAGE 



Seotiox V^— Effects of the Eemoval of Littrr. 



1. Effects on forests 605 



2. General physical effects 614 



Sec'tiom VI. — Value of Forest Litter for Agriculture . . .616 



VII.— Limits to the Permissible Use of Forest Litter . 622 



,, A'lII. — iloDE OF Disposal and Sale of Forest Litter . . 628 



CHAPTER VIII 

 RESIN-TAPPING. 



Section I.— General Account 632 



,, II. — Supply of Resin from the Maritime Pine in the 



Landes of Gascont 63.3 



,, III. — Tapping other Species for Resin. 



1. Silver-fir 644 



2. Spruce 644 



3. Larch 645 



4. Black pine 647 



CHAPTER IX. 



LESS IMPORTANT MINOR PRODUCE. 



1. Grass-seeds 649 



2. Herbage for various purposes 651 



3. Preparation of Scotch pine needles 653 



4. Vanillin 653 



5. Mosses 653 



6. Knoppern galls 654 



7. Truffles 654 



8. Edible forest fruits 655 



9 Lime-bast 656 



10. Other items . . . - 656 



PART III. 

 AUXILIARY FOREST INDUSTRIES. 



CHAPTER I. 



ANTISEPTIC TREATMENT OF TIMBER. 



1. General remarks 659 



2. Materials used for injecting wood 661 



3. Methods of injection ......... 663 



4. Suitabilitj' of different woods for injection 672 



5. Results of injection 673 



