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 



POLYGRAPHUS Er .............. 15, 16, 17, 23, 31, 32, 39, 54, 55 



brevicornis Ky. (LEPISOMA) ....................... 56 



grandiclava Thorns. (PSEUDOPOLYGRAPHUS) ..... 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 



saginat us Mannh ................................. 55 



PROCRYPHALUS 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 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 



pruinosus Eichh 



pubipennis Lee 



pusillus Harris 



querciperda Sz 



tomentosus Eichh 

 PSEUDOPOLYGRAPHUS Seit 



grandiclava Thorns. (POLYGRAPHTJS) 

 PTELOBIUS Bedel 



94 

 94 

 93 

 94 

 94 

 94 

 55 

 55 

 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 

 scutellare 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 



STEPHANODKRES Eichh 16, 18, 35, 45 



dissimilis Zimm pi. 9, fig. 43 



THYSANOES Lee 44, 82 



fimbricornis Lee 83 



rigidus Lee 82 



TOMICUS Latr. 1802 (H YLASTES Er.) 



(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. (!PS) 112 



spinifer Eichh. (ORTHOTOMICUS) 114 



tridens Eichh. (Ips) 116 



xylographus Say. (XYLEBORUS) 127 



xylographus (Fitch) (ORTHOTOMICUS) 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 



TRYPOPHLOEUS 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 Eichh 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 .... IP, 83 



(Xyloterus'ET.) (TRYPODENDRON), (XYLOTERINUS) ... 84, 85 



