INDEX 



abbreviatus, 141, 143, 144, 145, 149 



abditus, 142 



abdominalis, 290 



adelphus, 142 



aequabile, 109 



Aeshna, 171, 179 



Aeshnidae, 115, 116, 169 



Agrion, 108 



Agrionidae, 35, 108 



albicincta, 216, 217, 219, 231 



albistylus, 139, 142, 143, 145 



alpestris group, 231 



amatum, 109, 11 1 



ambiguum, 2i69, 270 



americana, 113, 114 



amnicola, 142, 143, 144, 147, 160 



Amphiagrion, 36, Z7, 48 



Anax, 171, 177 



Anisoptera, 35, 115 



Anomalagrion, 2)7, 38 



anomalus, 130, 131, 133 



antilope, 177 



apicalis, 87, 93 



arctica group, 228 



Argia, 36, 2,7, 85 



aspersum, 14, 55, 58, 59, 61, 84 



aspersus, 130, 132 



auripennis, 241, 243 



basalis, 248 

 Basiaeschna, 171, 174 

 bella, 260 

 berenice, 262 

 bipunctulata, 87, 88 

 borealis (Gomphus), 141, 147, 157 

 borealis (Leucorrhinia), 280 

 Boyeria, 171, 172 

 Brachydipladni, 199, 200, 259 

 brevis, 141, 143, 144, 145, 149 

 brevis-abbreviatus group, 149 

 brevistylus, 128 



caeruHa group, 183 

 caerulia septentrionalis, 183 

 Calopteryx, 109 

 calverti, 55, S7, 58, 61, 65 

 canadensis, 181, 182, 183 

 canis, 210, 213 

 carlotta, 50 

 Carolina, 289, 290 

 carolus, 130, 131, 132, 134 



carunculatum, 55, 57, 58, 61, 67 

 Celithemis, 261, 262, 284 

 Chromagrion, 36, Z7, 46 

 cingulata, 216, 217, 219, 233 

 civile, 55, 57, 58, 61, 68 

 civile-carunculatum group, 65 

 clepsydra, 181, 182, 184 

 clepsydra group, 183 

 Coenagrionidae, 35 

 Coenagrioninae, zd 

 colubrinus, 130, 133 

 conditum, 46 

 congener, 94, 95, 97 

 constricta, 181, 182, 189 

 Cordulegaster, 118 

 Cordulegasteridae, 115, 116, 118 

 Cordulia, 206, 214 

 Cordulinae, 199, 201 

 corruptum, 267, 269, 270 

 costiferum, 269, 270, 271 

 crassus, 142, 143, 145, 147, 162 

 crassus-fraternus group, 162 

 cyanea 243, 244, 246 

 cyanea group, 189 

 cyathigerum, 55, 57, 58, 61. 70 

 cynosura, 210, 212 

 cynosura cynosura, 212 

 cynosura simulans, 213 



daeckii, 53 



danae, 269, 270, 271 



descriptus, 141, 143, 144, 147, 151 



diastatops, 119 



Didymops, 201, 202 



dilatatus, 142 



dimidiatum apicale, 109, iii 



disjunctus, 93, 95, 97, q8 



divagans, 55, 59, 61, 79 



domitia, 258 



Dorocordulia, 206, 237 



doubledayi, 55, 57, 58, 61, 71 



Dromogomphus, 125, 167 



durum, 55, 57, 59, 83 



ebrium, SS. 57, 58, 59, 7i 

 elisa, 285 



elongata, 217, 219, 220 

 Enallagma, 37 38, 54 

 Epiaeschna, 171, 195 

 Epicordulia, 206, 207 

 eponina, 285, 287 



