TABLE OF CONTENTS. 



PAGE. 



Anisandrus populi 22 



Carphoborus carri 16 



Crypturgus boreahs 7 



corrugatus 7, 8 



Eccoptogaster monticolae 32 



" tsugoe 32 



Hylastes asper 19 



" nitidus 19 



" scaber 18 



Hylurgops grandicollis 17 



knausi 17 



" lecontei ; 16 



Ips englemanni -. - 30 



" hunteri 31 



" yohoensis 31 



Lcperisimts cinereus 15 



Pholoeosinus canadensis 8, 9, 10 



juniperi 10 



minutus 9 



rugosus 10 



Pityophthorus canadensis 24 



confertus 27 



granulatus 28 



intextus 29 



" lateralis 27 



" nitidus 25 



nudus 28, 30 



" ramiperda 28 



" rhois ' 26, 27 



Pseudocryphalus, n . gen 20 



" briltaini 20 



criddlei 21 



Pseudohylesinus, n. gen , ' 11 



Pseudohylesinus sericeus 14 



" grandis 11, 12, 13, 14 



nobilis 12 



" obesus 15 



" sitchensis 12 



tsugoB 11 



Trypodendron borealis 21 



rufiiarsis 22 



ponderosce 22 



Xyleborus affinis 24 



" canadensis 24 



" inermis 24 



" xylographus 23 



