INDEX. 



337 



Imports of timber, &c., 25. 

 Impregnation with antiseptics, 299, 



303-309. 

 Increment, or growth in cubic contents, 



36, 98-103. 

 gauge (Pressler's borer), 



100. 



,, measurement of, 98-103. 



,, normal, 106, 107. 



" Indicating percentage," 102, 140. 

 Industries, timber-consuming, 278. 

 Influence of situation on tree-growth, 



33. 



,, of woodlands, climatic and 

 physical, 26. 



Injurious influences in soil and atmo- 

 sphere, 253-260. 

 insects, classification of, 183, 



192. 

 ,, damage by, 184. 



,, extermination of, 



189-191. 

 ,, ,, generation table of, 



228-232. 

 ,, ,, natural checks upon, 



185. 

 ,, ,, protection against, 



188. 



,, table of chief, 192. 



Inland sand, fixation of, 74. 

 Insects into orders, classification of, 



183. 



,, life-history of, 181. 

 ,, useful (predacious and para- 

 sitic), 186. 



Instruction in Forestry, 24. 

 Interest and discount, tables of, 151- 



156. 



rate of, 139, 144. 

 Intermediate yield from thinnings, 



143-145, 280. 



Irish Forestry Committee (1907), 24. 

 Ivy, damage by, 234. 



Jack, common, 282. 

 Janker, 291. 

 Japanese Larch, 19. 

 Justice Seat, 20. 



Kyan's preservative process, 303, 304. 



Lackey moth, 193, 212. 

 Lamellicorn beetles, 193, 206. 

 Larceny as to trees and woods, 159. 

 Larch, 6, 18, 19. 



,, -aphis, 195, 226, 227, 232. 



Larch-bark, 288, 289. 



bark-beetle, 192, 200. 

 -canker, 236, 240. 

 leaf-mining moth, 194, 219, 231. 

 leaf-shedding disease, 236, 240. 

 plantations, grazing in, 329. 

 resin-tapping, 327. 

 -sawfly, 194, 224, 232. 

 -seed, extraction of, 290. 

 ,, shoot-mining moth, 194, 219, 

 231. 



Late frosts, damage by, 255, 256. 

 Law of the minimum, 30. 

 Laws for the protection of trees and 



woodlands, 159. 

 Layering, 59, 81. 

 Lead-banding for girth measurement, 



95. 



Leaf-beetles, 193, 209. 

 -blotch diseases, 236, 237, 243. 

 ,, -canopy (see "Normal density"). 

 -gall aphis, Elm, 195, 227, 232. 

 -mining moths, 194, 219, 231. 

 , weevils, 192, 205. 

 , -mould, 35, 234. 

 , -roller moths, 194, 216, 231. 

 , -scurf diseases, 236, 237, 243. 

 , -shedding diseases of Conifers, 

 236, 238, 239, 240, 260. 

 Leaves, function of, 28. 

 Legal protection of woodlands, 159. 

 Leopard-moth, 194, 221, 231. 

 Lepidoptera, 183, 193, 210. 

 Lever-appliances in felling timber, 282. 

 Liber, 269. 



Lichens, damage by, 234. 

 Lifting of seedlings by frost, 256. 



,, plants for transplanting, 60. 

 Light, influence of, 35. 



,, -demanding trees, 35. 

 Lightning, damage by, 259. 

 Lignification, 268. 



Lime-tree or Linden, 5, 7, 9, 13, 16. 

 Limitation of Forests Act (1640), 20. 

 Limy soil, 31. 



Lina, insects of genus, 193, 209. 

 Liparis, moths of genus, 193, 212. 

 Load of timber, 316. 

 Loamy soil, 30, 31. 

 Locust-tree (see "Robinia"). 

 Logging of timber, 91, 286. 

 Logs, measurement of, 89. 

 Longevity of trees, 38. 

 Longhorn beetles, 193, 208. 

 Looper-moths or spanworms, 194, 214, 

 231. 



