188 



♦ AMERICAN HYMENOPTERA. 



INDEX TO PART II. 



The names in heavy type are synonyms. 



agrorum 187 



alata 178 



alatus 178 



albocaudata . . .81, 148, 150, 151 



albocaudata 151 



alpigenus 183 



alpinus 185 



alticola 184 



antiguensis 177 



Apathus 175, 176 



Apis 112, 177, 178, 179 



appositus 185 



arenicola 187 



argillaceous 186 



Ashtoni group 181 



ashtoni 181 



asiaticus 154 



atratus..80, 118, 121, 123, 128, 133 

 Auricomus group .... 182, 184 

 baeri . . .74, 77, 80, 150, 166, 172 



balteatus 185 



barbutellus 182 



bellicosus 167, 168 



bellicosus 102 



bicolor 162 



bicoloratus 167, 168 



bicoloratus 166 



Bombias 138, 182 



Bombus 73, 182, 184 



Borealis group 185 



borealis 185 



brachycephalus 



74, 77, 80, 81, 92, 108, 143 

 brasiliensis (Bombus) 



75, 79, 83, 136 

 brasiliensis (Psithyrus). . 173, 176 

 Bremus 177 



brevivillus . . 73, 76, 119, 121, 130 

 butteli . . 74, 77, 147, 160, 168, 172 



californicus 75, 78, 83, 84 



campestris 175, 182 



cajennensis (= cayennensis) . 123 



carbonarius 110, 112 



Carolina 112 



carolinus . 74, 77, 80, 112. 130, 181 



caucasicus 185 



cayennensis 



118, 120, 122, 123, 124, 128 



chilensis 115 



cinctus 75, 78, 151, 154 



citrinus 178 



coccineus . . .74, 77, 80, 167, 170 



Confusus group 184 



confusus 92, 183, 184 



consultus 173 



consobrinus 184 



corsicus 102, 103 



crotchii 



74, 75, 78, 79, 81, 83, 143, 145 

 dahlbomii 



74, 77, 80, 112, 114, 130, 166 

 diligens .... 108, 143, 145, 146 



distinguendus 185 



Diversus group 187 



diversus 187 



dolichocephalus . . 74, 77, 80, 82, 



92, 108, 114, 117, 144, 145 



Dumoucheli group . .91, 95, 184 



dumoucheli . 184 



ecuadorius 



76, 78, 81, 146, 147, 155, 169 



elatus 178 



emiliaj . . 74, 77, 80, 82, 102, 106 

 ephippiatus.73, 79, 82, 86, 90, 95, 98 



