143 



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 



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



brevicornis Ky. (Lbpisoma) 56 



grandiclava Thorns. (Pseudopoltgraphus) 55 



nigriceps Ky . (Lbpisoma) 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 



Procbtphalus Hopk 45, 90 



striatulus Mannh 90 



PSEUDOCRYPHALUS Sw 40, 57 



brittaini Sw 57 



criddlei Sw 58 



PSEUDOHYLESINUS Sw 16, 30, 43, 74 



grandis Sw., pi. 21, fig. 5; pi. 24, fig. 5 75, 76 



granulatus Leo., 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 Leo 94 



pruinosus Eiohh 94 



pubipennis Lee 93 



pusillus Harris 94 



querciperda Sz 94 



tomentosus Eichh 94 



PSEUDOPOLYGRAPHDS Seit 55 



grandiclava Thorns. (Polygbaphus) 55 



Ptelobius Bedel 70 



Ptergcyclon Eiohh. (Mortar thrum Kirsch) 11, 16, 45, 86 



denteger Lee 86 



fasciatum Say, pi. 9, fig. 32 86 



gracile Eichh 86 



longuhim Eiohh 87 



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



soutellare Leo 86 



simile Eiohh 86 



Renocis Csy 39 



{Rhopalopleurus Chap.), Chramesus 58 



SciERUs Leo 43, 73 



annectens Leo 73 



PAGE 



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



Stephanoderes Eichh 16, 18, 35, 45 



dissimilis Zimm pi. 9, fig. 43 



Thysanoes Lee 44, 82 



fimbricornis Lee 83 



rigidus Leo 82 



ToMicus Latr. 1802 (Hylastes Er.) 77 



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



113, 114, 115, 116, 121, 127 



balsameus Leo. (Pityokteines) 123 



cacographus Lee. (Ips) 113 



montanus Eichh. (Ips) 113 



praemorsus Eichh. (Ips) 112 



spinifer Eichh. (Orthotomicus) 114 



tridens Eiohh. (Ips) 116 



xylographus Say. (Xyleborus) 127 



xylographus (Fitch) (Orthotomicus) 121 



Trypodendron Stephens 11, 12, 16, 30, 31, 44, S3, 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 Leo 84 



Trypophloeus Fairm 45, 90 



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



Xyleborus Eiohh.... 8, 11, 12, 16, 30, 32, 50, 121, 122, 126 



arbuti Hopk 127 



affinis Eiohh 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 128 



propinquus Eichh 126 



pubescens Zimm 126, 128 



tachygraphus Zimm. (Ambrosiodmus) 48 



saxesceni Ratz., pi. 2, fig. 13 11, 126, 127 



xylographus Say 126, 127 



Xyleborinus Reitt 50, 126, 127 



Xylocleptes Ferr 9, 32, 46, 50, 128 



Xyloterinus Sw 16, 31, 44, 83 



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

 {XyloterusEr.) (Trypodendron), (Xyloterinus) ... 84, 85 



