INDEX. 



327 



Hand axe, 193 

 Hard Maple, 299 

 Hardy Catalpa, 305 

 Heartwood, 3 



coloration, 3 



Heaving out by frost, 140 

 Heeling in, 116 

 Height accretion, 176 

 Height classes, 173 

 Heights of one-year-old seed- 

 lings, 99 

 Hemlock, Spruce, 272 



Western, 272 

 Hemlocks, 272 

 Hickoria alba, 282 



glabra, 282 



lacinosa, 282 



minima, 281 



ovata, 281 



pecan, 281 

 Hickory, Pignut, 282 



Shagbark, 281 



Shellbark, 282 

 Hickory Pine, 268 

 Hinckley fire, 156 

 Honey Locust, 297 

 Hop Hornbeam, 287 

 Hornbeam, 287 

 Hot Winds, 42 

 Hypsometer, 190 



Ilex opaca, 298 



Impregnation on Beechwood, 237 



Impregnation methods for wood, 



238, 239 



Boucherie process, 238 

 Burnettizing process, 239 

 Creosoting process, 238 

 Kyanizing process, 238 

 Zinc-Tannin process, 239 



Improvment cuttings, 78 



Improvement of land in forests, 

 9,38 



Improving the woodlot, 79 



Inarching, 107 



Incense Cedar, 277 



Income from forests, 245 



Income from game preserves, 

 248 



Increasing value of forests, 246 



Influence of forests, 21 



Injuries to trees, 134 



Injury from late spring frosts, 



140 



Insects, Injuries from, 135 

 Insects, boring, 135 



eating, 135 



sawfly, 134 



sucking, 135 



Instruments used in forest men- 

 suration, 187 

 Interception of rainfall, 27 



of water in forests, 27 

 Intolerant, 14 

 Investments in timber, 164 

 Investments, profits from, 164 

 Iron railroad ties, 237 

 Ironwood, 287 



Jack Oak, 289, 291, 292 

 Jack Pine, stand of, 174 

 Jack Pine, 263, 266 

 Jeffrey Pine, 266 

 Jersey Pine, 265 

 Juglans cinerea, 280 

 Juglans nigra, 280 

 Juniper, Red, 279 



Western, 279 

 Junipers, 279 

 Juniperus occidentalis, 279 



virginiana, 279 



Kerf, 187 



King's experiments with wind- 

 breaks, 31 



Kniseley's experiments on evap- 

 oration from trees in winter, 

 11 



Kyanizing Process, 238 



Land broken by dragging logs, 



63 

 Larch, American, 269 



Western, 269 

 Larches, 269 

 Large-tooth Aspen, 283 

 Larix laricina, 269 

 Larix occidentalis, 269 

 Late spring frosts, 140 

 Laurel, Big, 296 

 Lawson's Cypress, 278 

 Layers, 105 

 Leather board, 220 

 Leaves, 5 



