INDEX. 10!) 



I'aj:**- 

 Insect depredatious in North Amcrii-aii forests, nduitinn in Natinn's wfaltli 



thereby 71 



enemies of Cyllcnc rohiniir 35 



Dendroctonus brevicomis 27 



.\fonohammus litillator 53-54 



injuries to forest i)roductp 64-67 



prevention 79-84 



natural and artificial tree reproduction 67 



j)revention 79 



Nortii American forest j)rodiicts, "general estimates of amount. . 92-93 



reduction in value of fin- 

 ished and commercial prod- 

 ucts thereby 71 



summary and estimates as to 



character and extent 69-71 



wood of dying and dead trees 62-64 



prevention 78-79 



living trees 60-62 



prevention 78 



killed timber as fuel for fires 68 



durability 69 



Insects cause the death of trees 58-(j0 



destruction by forest fires 68-69 



diseases in their control 86 



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



forest (see also Insects injurious to forest and forest products). 



and forest fires, interrelations 67-69 



fungi, interrelation 69 



control by utilization of natural enemies and factors 85-87 



present conditions and opportunities 88-89 



damage, general estimates 92-93 



injury followed by decay 69 



to fire-killed timber (IS 



in their relation to the reduction of future supplies of timber. ... «i7 



investigations, results 88 



losses therefrom compared with losses from forest fires 67-68 



prevention, simimary 93-95 



results of investigations 88 



utilization of waste caused thereby '87 



injurious to forests. (See Insects, forest.) 



and forest prodncis. i-nniMl by utilization of natural 



enemies and factors. . 85-87 



1,'eneral principles 72-73 



methods 71-91 



damage, general e.stimates of 



amount 92-93 



damage, summary and esti- 

 mates as to character and 



extent 6f»-71 



infnrniatinii, ac(juired -i n d 



new 88-89 



<lis.seminated 89 



prevention of losses .• . . . 71-91 



