NDHX. 



I'age. 



Alaus, enemy of Monohammus titillalor 53 



Ambrosia beetles, injuries to crude forest products 64-65 



prevention 80 



maiuifactured unseasoned forest products 65 



preven- 

 tion. 81 



wooii of dyiii^' and dead (•(^nifer^ 63-64 



hardwood trees 64 



liviufi beech 61 



elm 61 



oak, rock 61 



white 61 



poplar, yellow, or whitewood 61 



Ants, black, injuries to utilized forest products 67 



white. {See Termites.) 



Arsenical in bait to kill locust borer 38 



.Vsh bolts, injuries by in.«ects 65 



handle and wagon stock, unseasoned, injuries by insects, prevention 81 



handles, finished, injuries by powder-post beetles 66 



injuries to wood of dying and dead trees by insects 64 



seasoned products in yards and storehouses, injuries by powder-post beetles. 66 



Barkbeetles, control maintenance in national forests 74-75 



private forests 75 



state forests 74-75 



natural, in inacces.siblc areas 75 



successful, examples 75-78 



which kill trees, control 73-78 



Barkbeetle. western pine-destroying. (See Dendroctonus brevicomis.) 



Barking to control barkbeetles 74 



locust borer 10, 11 



southern pine sawyer 55-56 



western pine beetle 30 



j)revent in.«ect injuries to crude forest products 80 



dying and dead trees 78 



stave and shingle bolls 80-81 



unseasoned lumber and square timb(>rs. . 81 



Beech, injuries to wood of living trees by (\trlh)ihis Columbian us.. 61 



Bees, carpenter, injuries to utilized forest products 67 



Beneficial birds 86 



climatic conditions 87 



diseases of insects 86 



insects 86 



iu;i 



