Page 



Tents 65 



let r opium abietis 16, 18, 32 



Time to Work 45 



Topn 6 



Tracing Cause of Infestation 10 



Transportation 62 



Trogosita virescens 40 



Vials 65 



Wedges 64 



Western Pine Beetle 21 



Western White Pine 18 



White Fir 18 



Windfr-113 7 



Yellow Pine 8, 17, 47 



-4- 



