X TAULE OF CONTENTS. 



Chapter IV. — continued. i-agf. 



Section IJ.— Determination of Volume by means of Sample Plots 66 



1. General 66 



2. Selection of Sample Plots 67 



3. Extent and Shape of Sample Plots . .68 



4. Measurement of Volume of Sample Plots . . . 68 



5. Merits of the Method of Sample Plots . . .69 



Section III. — Determination of the Volume by Estimate . . 69 



1. Estimating the Volume of the Wood as a Whole . . 69 



2. Estimating by Trees 70 



3. Estimating according to the Results of Past Fellings 70 



4. Estimating the Volume by means of Yield Tables . 70 



Chapter V. — The Age of Teees and Woods 72 



1. Determination of the Age of Single Trees . . . 72 



2. Determination of the Age of Whole Woods . . . 74 



Chapter VI. — Determination of the Increment . . . .78 



Section I. — Determination of the Increment of Single Trees . . 79 



1. Height Increment 79 



2. Diameter Increment 80 



3. Area Increment ........ 82 



4. Volume Increment 82 



Section II. — Determination of the Increment of Whole Woods . 92 



A. Determination of the Increment according to the IMean 



Annual Increment of the Past 93 



B. Determination of the Increment by means of Yield Tables 93 



I. Of Yield Tables Generally 93 



1. Definition of Yield Table 93 



2. Objects and Contents of Yield Tables . . . . 94 



3. Local and General Yield Tables . . . .95 



4. Quality Classes 95 



5. Methods of Constructing Yield Tables . . .97 



II. Determination of the Increment by means of Y'ield 



Tables 104 



PART II.— FOREST VALUATION 109 



Chapter I.— Preliminary Matters 112 



Section I. — Value of Property Generally 112 



Section II. — Choice of Rate of Interest 113 



Section III. — Formula; of Compound Interest .... 116 

 &'<;c^io)i 7 v.— Estimate of Receipts and Expenses . . . .118 



1. Receipts 118 



2. Expenses 119 



3. Examples of Money Yield Table.-, . . .120 



