323 



Hickory, 170, 177, 181, 183 

 High forest, 30, 31 

 Holding-over reserves, 177 

 Hornbeam, European, 168, 188, 

 218 



Idaho, 27, 52, 105, 106, 298, 319 

 Improvement cuttings, 27, 64, 189 

 India, 273 

 Injuries to trees, by fire, 238 



insects, 310 

 Insects, damage by, 3, 87, 125, 

 199, 220, 238, 239, 240, 246, 

 309 

 control of, 314 

 enemies of, 314 

 invasions of, 309 

 Intensive forestry, 15, 69, 87, 166 

 Intermediate trees defined, 29, 



30 

 Intolerant species, 63 

 Investments in forestry, 22, 24, 



104, 108 

 Irregular cleared strips, 128 

 Irregular form of stand, 31 

 Irregular stands, improvement 

 of, 219 



Kaniksu National Forest, 105 



Larch, Eastern, 312 

 European, 168, 212 

 Western, 103, 106, 237 



Liberation cuttings, 190, 194 



Lightning, 245, 313 



Limitation of cut, 48 



Linden, 218 



Location of seed-trees, 63 



Locust, 170, 312 



Logging conditions, influence of, 

 129, 140 



Lookout stations, 246, 286 



Lopping brush, 260, 263 



Maine, 5, 54, 294 



Maple, 80, 116, 170, 177, 227 



European, 188, 218 

 March of forest destruction, 2 

 Market conditions, influence of, 



40, 41, 65, 78, 100, 140 

 Marking, 57 



axe, 58 



cost of, 59 

 Maryland, 197 



Massachusetts, 115, 213 

 Maximum of production, 12 

 Mayr, Heinrich, 208 

 Measure of production, 12 

 Minimum or production, 13 

 Minnesota, effect of fire in, 11 

 Minnesota National Forest, 39, 



109, 114 

 Missoula National Forest, 55, 



248, 259 

 Mixed stands, advantages of, 43 



defined, 42 

 Montana, 55, 103, 117, 130, 248, 



259, 287, 298 



National Forests, 15, 54, 90, 225, 

 255, 261, 270, 286, 288, 292 



Natural pruning, 198 



Natural reproduction, 88, 89, 98, 

 100, 103, 126, 129, 181 



New Hampshire, 115, 205 



New Jersey, 134, 170 



New York, 17, 74, 85, 170, 282 



North Carolina, 222 



Oak, 116, 170, 177, 181, 183, 227, 



312 

 European, 98, 168, 172, 175, 



188 

 Oregon, 23 

 Original forests, 1 

 Overwood, 187, 218 

 Owner, purpose of, 15 



Patches, clear-cutting in, 36, 37, 



97 135 

 Patrol, fire, 244, 246, 284, 290, 



294, 308 

 Pennsylvania, 8, 20, 193, 270, 302 

 Period of reproduction, 140, 146, 



150, 164, 166, 184 

 Piling brush, 249, 251, 254, 275 

 Pine, loblolly, 116, 121, 197 



lodgepole, 85, 117, 139, 229, 



237 311 

 longleaf, 116, 121, 142, 228, 



239, 242, 265, 280, 311 

 pitch, 227 



Scotch, 168, 206, 218 

 shortleaf, 222 

 sugar, 239 



western yellow, 92, 93, 116, 

 121, 147, 160, 167, 311 



