Ml 



Crown class, 28, 29, 201 

 Crown fires, 226, 233 

 Crown-ratio, 207 

 Cutting cycle, 47 

 Cutting series, 133, 164 



Pamage cuttings, 190, 220, 222 

 Deer Lodge National Forest, 117, 



130 

 Defoliating insects, 311 

 Density, of stand, 10 

 maintenance of, 174 

 reduced by fire, 240 

 Diameter limit, 53 

 application of, 56 

 determination of, 53, 77 

 example of, 80 

 Diseases of trees, 112, 220, 240, 



314, 318 

 Disposal of slash, 246 

 Distribution of seed, 101, 103, 

 106, 110, 120, 123, 129, 138, 

 157, 163 

 Dominant trees, defined, 29, 30 

 Drought, protection from, 87, 



120, 125, 137, 139, 158, 163, 

 199, 262 



Elm, European, 188 

 Erosion, 87, 125, 241 

 Europe, 35, 39, 70, 97, 98, 109, 



121, 130, 136, 151, 158, 166, 

 172, 175, 176, 185, 191, 208, 

 217, 273, 280 



Even-aged form, 31 

 Exhaustion of supplies, 3, 22 



Final cutting, 141, 145, 150, 153, 



165 

 Financial returns, 19 

 Fir, balsam, 66 



Douglas, 23, 86, 92, 103, 106, 

 116, 121, 125, 237, 239, 298 

 European, 136, 165, 168 

 white, 103, 106 

 Fires, causes of, 245 

 classification of, 226 

 damage by, 3, 171, 220, 235, 



238, 243 

 equipment for fighting, 299, 



300, 303 

 life history of, 227, 229, 230, 

 235 



Fires, methods of fighting, 297, 

 301, 305 



prevention of, 244 



protection from, 225 



rapidity of, 230, 231, 233, 234 

 Fire-head, 234 

 Fire-lines, 246 



fully-cleared, 272, 274 



ground-cleared, 280 



location of, 281, 282 



maintenance of, 277 



special, 271 



tree-cleared, 278 



width of, 277 

 Fire, notices, 285 



obstructions, 284 



patrol, 244, 246, 284, 290, 291, 

 294 



protective associations, 27, 

 225, 298 



trace, 275 

 First cutting, 144, 149 

 Flury, Dr., 210 

 Forestry, defined, 6 

 Form of stand, 30 

 France, 210, 273 

 French method of thinning, 210 

 Front of a fire, 226, 234 

 Frost, 87, 113, 120, 137, 139, 158, 



262 

 Fungi, 314, 318 



Germany, 26, 33, 130, 141, 201, 



208, 273 

 Germination of seed, 108, 113, 



124, 159 

 Gipsy moth, 312, 317 

 Girdling hardwoods, 67 

 Grass fires, 231 

 Ground fires, 275 

 Groups, of seed-trees, reserved, 



36, 116 

 shelterwood cuttings in, 37, 



164 

 Growth, 12 



Hardwoods, 95, 96, 114, 116, 170, 

 178, 183, 191, 213, 312 

 brush disposal, 528 

 thinnings in, 213 

 Hemlock, Eastern, 80, 103, 106, 

 251 

 Western, 23, 86, 92, 1C2, 106, 

 319 



