VIll 



TABLE OF CONTENTS. 



Section V. — Hakdxess. 



1. Anatomical structure 



2. Coherence 



3. Resin 



4. Degree of moisture . 



5. Action of instruments 



Section "VI.— Fissibilitv. 



1. Structure of the wood 



2. Elasticity and flexibility of fibre 



3. Moisture 



4. Locality and mode of growth . 



Section VIL— Pliaiulity. 



1. General account 



2. Elasticity 



3. Flexibility 



PAGE 

 34 

 35 

 35 

 35 

 36 



39 



40 



40 



41 



5. Concluding remarks 41 



Section VIII.— Stuength of Timber, 



1. General account 



2. Tenacity .... 



3. Resistance to crushing 



4. Resistance to torsion 



5. Resistance to shearing 



6. Transverse strength . 



Section IX. — Relations of Wood to "Wateu 



1 . Seasoning of wood .... 



2. Absorption of water by wood . 



3. Results of the relations of wood to water 



Section X.— Colour and Texture of Wood 59 



Section XI. — Defects and Unsoundness in Timber. 



1. Defects in sound wood 



2. Defects in timber owing to disease . 



Section XII.— Durabilitt. 



1. General account .... 



2. Nature of the wood .... 



3. Treatment of wood after felling 



4. Mode of utilization of the wood 



5. Classification of woods in order of durability 



6. Means of increasing the durability of timber 



Section XIII. — Heatino-i-owei: 



1. Specific gravity of wood . 



2. Amount of water in wood 



3. Anatomical structure 



100 



