143 



PAGE. 



jasperi Sw 123, 124 



minutus Sw 123, 124 



sparsus Lee., pi. 5, fig. 1; pi. 15, figs. 5, 6; pi. 16, 



fig. 3 22, 106, 122, 123 



PLATYPUS Herbst 11, 30 



wilsoni Sw., pi. 18, fig. 5; pi. 21, figs. 3, 4 38 



POLYGRAPHS Er 15,16,17,23,31,32,39,54,55 



brevicornis Ky. (LBPISOMA) 56 



grandiclava Thorns. (PSEUDOPOLYGBAPHUS) 55 



nigriceps Ky. (LEPISOMA) 55, 56 



rufipennis Ky., pi. 9, fig. 36; pi. 10, figs. 27, 27b; 



pi. 21, fig. 2; pi. 22, fig. 6 22, 55, 56 



saginatus Mannh 55 



PROCRYPHALUS Hopk 45, 90 



striatulus Mannh .' 90 



PSEUDOCHYPHALUS Sw 40, 57 



brittaini Sw 57 



criddlei Sw 58 



PSEUDOHYLESINUS Sw 16, 30, 43, 74 



grandisSw., pi. 21, fig. 5; pi. 24, fig. 5 75, 76 



granulatus Lee., pi. 22, fig. 1 74, 75 



nebulosus Lee., pi. 10, fig. 3; pi. 20, fig. 1 74, 75 



nobilis Lee 75 



obesus Sw 75, 76 



sericeus Mannh 75, 76 



sitchensis Sw 75, 76 



tsugae Sw 75 



PSEUDOPITYOPHTHORUS Sw 46, 93 



minutissimus Zimm., pi. 4, fig. 2; pi. 9, fig. 24; 



pi. 10, fig. 24 17,23,93,94 



pilosulus Lee 94 



pruinosus Eichh 94 



pubipennis Lee 93 



pusillus Harris 94 



querciperda Sz 94 



tomentosus Eichh 94 



PSEUDOPOLYGRAPHUS Seit 55 



grandiclava Thorns. (POLYGRAPHUS) 55 



PTELOBIUS Bedel 70 



PTEROCYCLON Eichh. (Monarthrum Kirsch) 11, 16, 45, 86 



denteger Lee 86 



fasciatum Say, pi. 9, fig. 32 86 



gracile Eichh 86 



longulum Eichh 87 



mali Fitch, pi. 2, fig. 14; pi. 9, fig. 15; pi. 10, fig. 38 86 



Bcutellare Lee 86 



simile Eichh 86 



RENOCIS Csy 39 



(Rhopalopleurus Chap.), CHRAMESUS 58 



SCIERUS Lee 43, 73 



annectens Lee 73 



(Scolytus Geoff.) 50, 53, 54, 64 



STEPHANODERES Eichh 16, 18, 35, 45 



diasimilis Zimm pi. 9, fig. 43 



THYSANOES Lee 44, 82 



fimbricornis Lee 83 



rigidus Lee 82 



TOMICUS Latr. 1802 (HYLASTES Er.) 77 



(ToMicus Latr., 1807) IPS DeGeer, 77, 107, 111, 112, 



113, 114, 115, 116, 121, 127 



balsameus Lee. (PITYOKTEINES) 123 



cacographus Lee. (Ips) 113 



montanus Eichh. (!PS) 113 



praemorsus Eichh. (Ips) 112 



spinifer Eichh. (ORTHOTOMICUS) 1 14 



tridens Eichh. (Ips) 116 



xylographus Say. (XYLEBORUS) 127 



xylographus (Fitch) (OHTHOTOMICUS) 121 



TRYPODENDRON Stephens 11, 12, 16, 30, 31, 44, 83, 84, 



135, 137 



betulae Sw., pi. 3, fig. 7; pi. 9, fig. 34; pi. 18, fig. 6; 84, 85 

 bivittatum Ky., pi. 7, fig. 3; pi. 9, fig. 33; pi. 10, 



fig. 18 85,86 



borealis Sw 85 



cavifrons Mannh 84, 85 



ponderosae Sw 85, 86 



rufitarsis Ky 85, 86 



retusus Lee., pi. 3, figs. 2, 4, 6, 11; pi. 8, figs. 1, 8; 

 pi. 9, figs. 10, 21; pi. 14, fig. 4; pi. 18, 



fig. 7 10, 84, 85, 126 



scabricollis Lee 84 



TBYPOPHLOEUS Fairm 45, 90 



nitidus Sw., pi. 10, fig. 26 90 



XYLEBORUS Eichh.... 8, 11, 12, 16, 30, 32, 50, 121, 122, 126 



arbuti Hopk 127 



affinis Eiehh 127 



canadensis Sw 126, 127 



celsus Eichh., pi. 9, fig. 27 126, 128 



fuscatus Eichh 127, 128 



impressus Eichh 127, 128 



inermis Eichh .' 127, 128 



pini Eichh 



propinquus Eichh 126 



pubescens Zimm 126, 128 



tachygraphus Zimm. (AMBROSIODMUS) 48 



saxesceni Ratz., pi. 2, fig. 13 11, 126, 12' 



xylographus Say 126, 127 



XYLEBORINUS Reitt 50, 126, 127 



XYLOCLEPTES Ferr 9, 32, 46, 50, 128 



XYLOTEHINUS Sw 16, 31, 44, 83 



politus Say, pi. 9, figs. 6, 19, 22; pi. 10, fig. 11 .... 10, 83 

 (Xyloterus Er.) (TRYPODENDRON), (XYLOTEHINUS) ... 84, 85 



