INDEX. 109 



- 

 Insect depredation.- in North American forests, reduction in Nation- wealth 



thereby 71 



enemies of Cyllem robin ia 



- brei ieomis 



Monokommua titillator 



injuries to forest products * 



prevention 



natural and artificial tree reproduction 



prevention 79 



North American forest products, general estimates ofamoui 



reduction in value of fin- 

 ished and commercial prod- 

 ucts thereby 71 



summary and estimates 



character and extent 



wood of dying and dead trees 02-04 



prevention 78 79 



living trees 



prevention 



killed timber as fuel for fires 



durability 69 



Insects cause the death of trees 



destruction by forest fires 



diseases in their control 86 



estimated loss of standing timber killed and damaged thereby 70-71 



forest to Insects injurious to forest and forest product.- . 



and forest fires, interrelations 67-69 



fungi, interrelation 69 



control by utilization of natural enemies and factors 8e 



present conditions and opportunities 



damage, general estimates 92-93 



injury followed by decay 69 



to fire-killed timber 



in their relation to the reduction of future supplies of timber. ... 67 



investigations, results 88 



- therefrom compared with losses from forest fires 67-68 



prevention, summary 



results of investigations 88 



utilization of waste caused thereby ^7 



injurious to forests. [Set Insects, for. - 



and forest products, control by utilization of natural 



enemies and : 



general principles 72-73 



method- 71-91 



damage, general estimates of 



amount _ • 



damage, summary and esti- 

 mai< i . at ■ haraoter and 



extent I 



information, acquired and 



now 88 89 



disseminated 



prevention of losses 71-91 



