INDEX. 113 



Pterocyclon mali, injuries to mahogany lumber 65 



Pulpwood, injuries by insects 65 



prevention 



Putty against insects injurious to Log cabins and rustic work 



Railroad ties, injuries by insects 67 



prevent ion 83 



"Red tops," definition 19 



Removal of unbarked logs to control barkbeetles 74 



Rims, finished seasoned, injuries by insects, prevention 



Robinia pseudacacia. (See Locust, black or yellow.) 



Rustic work, injuries by bark and wood boring insects, prevention 



Sap flow often destructive to Cyllene robinia 36 



Saw logs, injuries by insects, prevention 



with bark on, injuries by insects 64 65 



"Sawyers,'* injuries to wood of dying and dead conifers 



Sawyer, southern pine. (See Monohammus titillator.) 



Scolytus quadrispinosus causes death of hickory trees 60 



control, successful, example 78 



"Scoring," not recommended against southern pine sawyer 54-55 



Shingle bolts, injuries by ambrosia beetles and timber beetles 65 



insects, prevention 80-81 



Soap solution and carbolic acid against locust borers 6, 38 



' ' Sorrel tops, ' ' definition 19 



Spokes, finished seasoned, injuries by insects, prevention 82 



Spruce beetle, eastern. (See Dendroctonus piceaperda.) 



Engelmann. (See Dendroctonus engelmann 



Engelmann, killed by Dendroctonus engelmanni 59 



killed by Dendroctonus frontalis 58 



piceaperda 58-59 



pulp wood, injuries by insects 65 



Stave bolts, injuries by ambrosia beetles and timber beetles 65 



insects, prevention 80-81 



Storm-felled trees, menace to healthy forest 30 



Storms, cause of vast destruction of pine timber by Monohammus titillator. . . . 41-43 



Submergence of logs as remedy against southern pine sawyer 55 



unbarked infested logs to control barkbeetles 74 



logs to prevent injury from insects that infest dying 



and dead wood 79 



wood to destroy locust borer 12 



Summer cutting of pine undesirable in regions infested by Dendroctonus brevi- 



comis 30 



Tanbark, damage by insects 66 



prevention 83 



Tent poles, injuries by powder-post beetles, prevention 



Termites, injuries to timbers and woodwork »i7 



prevention 84 



"Tickler, long-horned." (See Monohammus titillator.) 



Ties, injuries by insects, prevention B4 



Timber beetles. (See Ambrosia beetles and ( 'orthylus oolumhianus. I 



burning of that infested, to control insects which cause defects in living 



wood 



durability of that killed by insects 69 



future supplies, insects in relation to reduction 



