4 COLONIAL REPORTS MISCELLANEOUS. 



Page 

 (</) Southern Nigeria forest laws cont. 



Timber removal pass ... ... ... ... ... ... ... 133 



Drift timber 133 



Salvage of drift timber ... ... ... ... ... ... ... 135 



Licence to collect salved timber ... ... ... ... ... 137 



Timber rules for the Northern Territories 138 



Trade licence to take timber ... ... ... ... ... ... 138 



General considerations regarding the timber rules ... ... ... ... 140 



Rules relating to forest reserves ... ... ... ... ... ...141 



B. SUGGESTIONS AS TO THE FOREST POLICY AND ADMINISTRATION TO 



BE ADOPTED ON THE GOLD COAST. 



A. Forest establishments 142 



B. Selection of areas for reservation ... ... ... ... ... ... 145 



C. The collection of data for the preparation of working plans ... ... 148 



(a) Determination of the rate of growth 149 



(>) Determination of the proportion existing between the various 



age gradations 150 



Linear valuation surveys 151 



The calculation of the annual yield ... ... 152 



Approximate methods suitable for West Africa ... 152 



Sylvicultural methods of exploitation recommended Selection 



system Coppice with standards 153 



D. Botanical survey of the forests ... 153 



E. The training of the subordinate staff ... 155 



F. Plantations 156 



G. The inspection and supervision of timber concessions and licensed 



areas 156 



H. General forest policy 157 



PART III. 



C. CONCLUSION. 



Brief description of the physical features ... ... ... ... ... 159 



Climate 162 



Short account of the conditions affecting plant growth 166 



Classification of plant formations ... ... ... ... ... ... 170 



Types of West African formations and their characteristic plants ... 170 



Distribution of the forests ... ... ... ... ... ... ... 173 



Exports and imports of forest produce 192 



List of vernacular names of plants ... ... ... ... ... ... 196 



Explanation of plates ... ... ... ... ... ... ... ... 199 



APPENDIX. 



The Forestry Ordinance 202 



INDEX. 



[References to the plates accompanying this report will also be found in 

 the List of Vernacular Names of Plants given on pp. 196-199.] 



