INDEX 



Note. — New genera and species in black face type. 



Aclastus Forster 1S7 



rufipes 187 

 Aclista Forster 139 



californica Ashm. 139 

 Acrolyta Forster 1S6 



aciculata 1S6 



karlukensis 1S6 

 ^noplex Forster 188 



rufipes 1 88 

 Algina Forster iSS 



alaskensis 188 

 Allantus Jurine 263 



heraclei Kincaid 263 

 Alloeini, Tribe 242 

 Allotriinae, Subfam. 142 

 Alloxjsta Forster 142 



alaskensis 142 

 Aljsia Latreille 241 



manducator Panzer 241 

 Aljsiidse, Fam. 241 

 Alysiini, Tribe 241 

 Amauronematus Konow 259 



isolatus Kincaid 259 

 Ameloctonus Forster 237 



popofensis 237 

 Anarcha Forster 241 



coxalis 241 

 Andi-ena Latreille 131 



frigida Smith 131 

 Andrenidie, Fam. 131 

 Anomalini, Tribe 233 

 Apanteles Forster 249 



yakutatensis 249 

 AphidiiniE, Subfam. 243 

 Aphidius Nees 244 



frigidus 246 



glacialis 245 



paulensis 246 



propinquus 245 

 Apoidea, Superfam. I 123 

 Arachnophila Ashmead 134 



septentrionalis Kincaid 134 

 Asjnocrita Forster 163 



species 163 

 Atmetus Forster 231 



insnlaris Ashincad 231 

 Atractodes Graven horst 169 



yakutatensis 169 

 Atroinetiis Forster 233 



alaskensis 233 



Automalus Wesmael 148 

 nigropilosus 148 



Bachia Forster 185 



nigra Ashmead 1S5 

 Bactroceros Konow 254] 



palachei 254 



sitkensis Kincaid 254 

 Bassini, Tribe 224 

 Bassus Gravenhorst 224 



pulchripes Provancher 224 

 Bathjmetis Forster 173 



bicolor 182 



confusa iSo 



imitator 177 



nigricornis 177 



quadriceps iSi 



rubrocincta 178 



simillima 179 



simulans 178 



simulator 181 



ungse I So 

 Belvtidie, Fam. 137 

 Bioblapsis Forster 224 



tricincta 224 

 Blennocampinre, Subfam. 255 

 Blepharipus Lepeletier 132 



ater Cresson 132 

 Bombid^e, Fam. 123 

 Bombus Latreille 123 



alaskensis 128 



californicus Smith 124 



couperi Cresson 126 



dimidiatus 129 



frigidus Smith 126 



gelidus Cresson 127 



juxtus Cresson 127 



khica id ii Coc\iQre.\\ 127 



mckayi 125 



melanopjgus Nylander 128 



mixtuosus 128 



moderatus Cresson 123 



nearticus Handlirsch 127 



neglectulus 124 



nevaticnsis Cresson 124 



oregonensis Cresson 126 



pleuralis Nylander 127 



polaris Curtis 127 



proxinnis Cresson 124 



pru/icllce Cockerel! 129 



269 



