LIST OF ILLUSTRATIONS 



FIG. PAGE 



1. The cockchafer . . . . . . *." . . . . 115 



2. The pine weevil . . . . ^ . . .. . , . . 116 



3. The pine beetle . . . ^ . . . '. /' . . 118 



4. The oak-leaf roller moth . . . . ; . . .119 



5. The larch miner moth ... . ,' . . . . 120 



6. Pine sawfly caterpillars . . . . ' I21 



7. The spruce gall aphis . v . . .. . ^ 123 



8. The larch aphis . . . .... . . \.."' . 123 



9. The honey fungus . . . ... . . . 129 



10. The red-rot root-fungus ^ , . 131 



11. Pine blister ../,.. . . 132 



12. The larch canker . ,. . .' * .; .' M . j. . 134 



13. Canker caused by Nectria ditissima . . .* . . .136 



14. Weise's hypsometer . . . . . . . 195 



15. Friedrich's calliper . . . . ...,'. 198 



PLATE. 



I. Larch at Walcot . - . . . ... Frontispiece 



II. Oak and beech planted 1891 in alternate lines facing p. 40 



III. Oak aged 37 years, with natural beech underwood 42 



IV. Oak aged 50 years, height 43 feet . . ; . 46 

 V. Oak aged 95 years, height 40 feet . . ~Y 80 



VI. Natural regeneration of oak aged about 8 years ,, 92 



VII. Beech planted 1891 at 4ft. by 4ft. 150 



VIII. Hornbeam planted 1891 at 4 ft. by 4 ft. . . 154 



IX. Oak and larch with coppiced beech 156 



X. Douglas fir planted 1893 at 4 ft by 4 ft. . . 166 



XI. Larch planted 1891 at 4 ft. by 4 ft. . . . 168 



XII. Mature spruce at Walcot . . .-- . ,, 174 



XIII. Survey Plan ......... 225 



