312 
Forest fires, causes of, 98 
effects of, 94 
fighting, 95 
kinds of, 93 
protection against, 92, 100 
Forest protection, associations 
for, 172 
fire fighting and, 95 
fire prevention and, 100 
fires and, 92 
insects and, 102 
snow and, 105 
wind and, 105 
Forest ranger, education of, 79 
value of, 83 
Forest taxation, 170 
Forests, artificial, 67 
development of, 46 
effect of, on run off, 12, 27 
on soil, 40 
enemies of, 102-106 
hastening growth of, 63 
history of, 46 ,48 
indirect influences of, 3, 11, 
16, 17, 24, 177 
original extent of, 4, 172 
present extent of, 4, 171 
reproduction in, 42 
taxation of, 170 
types of, 119 
value of, 172 
Forestry, definition of, 1 
education in, 78, 79, 172 
financial results of, 67, 74, 169 
future of, 8, 168, 172, 173, 175 
history of, 4 
need of, 2, 4 
present situation in, 171 
private, 171 
state, 172 
statistics in, 171 
INDEX 
Forestry, woodlot, 174 
Forestry organizations, 172 
Forestry profession, education 
for, 78, 79, 
life in, 82, 86, 113 
opportunities in, 81, 86, 87 
qualifications for, 78 
specialization in, 81, 90 
state work in, 86 
Fungi, blister rust, 104 
chestnut blight, 103, 214 
damage due to, 103 
Game, conservation of, 29, 35 
relation of, to forests, 16 
Gum, red or sweet, 293 
Hardwoods, consumption of, 278 
defined, 179, 201 
described, 201, 281, 291 
identification of, 285 
Hawthorn, 268 
Hazel nut, 266 
Hemlock, 192, 290 
Horse chestnut, 162 
Humus, effect of, on run off, 12 
formation of, 48 
Improvement cuttings, defined, 
64 
Insects, damage due to, 102, 164 
moth attacks, 102 
remedies for, 103, 164 
June berry, 246 
Juniper, 242 
Larch, 188, 290 
Laurel, great, 254 
mountain, 252 
Linden, 236, 292 
