270 



PHILIP P. CALVERT. 



Cardinal cell 165 



Cardo 157 



Carina, abdominal, 169- 

 170, latero-veutral me- 

 tathoracic 160, mid- 

 dorsal thoracic 159 



Carolina 255 



Celithemis 224, 261 



Checks to increase 204 



Chorion 190 



Chylific ventricle 177 



Circulatory apparatusl78 



Civile 236" 



Clara 166 



Clepsydra 206, 248 



Clvpeus 156, 193, 197 



Coloring 187, 203 



Coinbativeness 184 



Condi turn 234 



Congener 229 



Constricta 171, 182, 249 



Convex and concave 

 veins 168 



Copulation 188, 190 



Cordulegaster 162, 209, 



222, 226, 246 

 Coidulegasterinse 207, 



208. 209, 210, 213, 219. 



223, 225, 246 

 Cordulina; 207, 208, 209, 



210, 213, 220, 223, 226, 



250 

 Corrupta 264 

 Costa 163 

 Coxa 161 

 Credulum 240 

 Crenata 248 

 Crocothemis 209 

 Crop 176 



Cyanea 180. 200, 201, 256 

 Cynosura 252 



Deplanata 258 

 Depressors of wings 173- 



175 

 Depressum 178, 184, 203 

 Development 190-204 

 Diastatops 162 

 Didymops 223, 226, 250 

 Diffinis207 

 Diraidiata228 

 Dimorphism 187 

 Diplax 183, 190, 196, 204, 



209, 224, 262 

 Dipterous parasites 205 

 Discoidal areolets 165, 



cells 168, triangle 165 

 Discolor 235 

 Disjiuicta 231 

 Disparoneura 209 

 Distribution 204-10,267- 



269 

 Divagans 238 

 Dolomedes feeding on O. 



205 

 Domitja 264 



Dorsal vessel 178, 196 

 Dorsum of thorax 159 

 Dromogomphus 222, 245 

 Durum 236 



Egg 190. 204, '^06 



Elisa 261 



Embrvonic development 



190-5 

 Euallagma 189, 209, 212, 



221, 236 

 Endophytic oviposition 



189 

 Endoskeleton of head 



158 

 Enemies 205 

 Ephemerina 210-11 

 Epiffiscbna 182. 222, 226, 



246 

 Epicordulia 223, 227, 251 

 Epicranium 155, 197 

 Epistoma 156 

 Eponina 261 

 Epophthalmia 251 

 Eremita 206. 248 

 Erroneus 246 

 Erythromma 220, 234 

 Ethiopian Odouata 208 

 Euphfea 202, 209, 210, 212 

 Eurina 229 

 Excretory organs 178 

 Exilis 243 

 Exophytic oviposition 



189 ' 

 Expiratory muscles 176, 



181 

 Exsulans 189, 238 

 Extensors 172 

 Exusta 258 

 Exuviae 203 

 Eyes 154, 183, 194, 195, 



197 



Facets of eyes 155, 183 

 Fat 178 

 Femur 161 



Fertilization 188, 191 

 Filaria 205 

 Filosa 253 

 Flavescens 209, 254 

 Flavida 257 

 Flexors 171-2, 173-5 

 Fonscolombia 222. 226, 



247 

 Fontium 233 

 Food 177 

 Foramen, post-cephalic 



158 

 Forcipata 200, 230, 231 

 Fore-gut 176 

 Fossil forms 207, 209-10, 



214 

 Frons 155, 156 

 Frontal vesicle 156 

 Fi-ont-head 193 

 Fulcral process 172 



Fureillata 247 

 Fusca 204 



Gena 155 



Genitalia 184-87, 199 



Geographical distribu- 

 tion 206-9, 268 



Geological id. 209-10 



Georgina 251 



Gerephemera 209 



Germinal band 193 



Gomphseschua 222, 226, 

 247 



Gomphina; 207, 208, 209, 

 212, 213, 219. 221, 225, 

 241 



Gomphus 161, 162. 167, 

 178, 187, 209, 222, 225, 

 242 



Grandis 201 



Gula 156 



Hageni 237 



Hageuius 221, 225, 241 



Hamata 230, 231 



Hamule, genital 185 



Hastatum 240 



Head, skeleton 154-8, 

 muscles 171-2, nerves 

 181-182, development 

 193,4.5,7 



Heros 182. 246 



Hetferina 164, 187, 188, 

 220, 225, 228 



Hibernation 204 



Hind-gut 177, 201 



Holotania 255 



Humeral stripe 161, su- 

 ture 159 



Hybridization 188 



Hymensea 254 



Hymeuopterous parasite 

 205 



Hypertrigonals 169 



Hypertrigoiial space 165 



Hypopharynx 158 



lUinoensis 251 



Incesta 257 



luequa'.is 232 



Iners 240 



Inferior appendage 170. 



198-9 

 Intacta 262 

 Intelligence 184 

 Internal triangle 165 

 Intel posed sectors 169 

 Intestinal parasites 205 

 Irene 234 

 Ischnura 187, 189, 190, 



204, 209, 212, 221, 239 



Julia 258 



Juncea 201, 207. 248 



Junius 189, 195, 249 



