388 



INDEX OF TEXT 



Dental folds or fields 104 

 Dentigerous process 223 ; tubercle 223 

 Dentition, of gizzard 105; of mandible 



16 



Deutocerebrum 120, 123, 127 

 Dewitz, on spiracles 201 

 Diaphragm 79, 211 

 \Diastatomma (syn.) 307 (note) 

 \Diastatommidae (syn.) 307 (note) 

 Diastatops 265 

 Diatoms 332 

 Diffusion 189 



Digestion, physiology of 109 

 Dilatato'r muscles, of rectum 117 

 Dimorphism, colour- 257; venational 



254 



Dioptric vision, theory of 149 

 Diphlebia 87, 192, 199, 255, 275 (note), 



292, 293, 323; D. lestoldes 255, 330 

 Diplacina 299 

 Diplacodes 184, 242, 250, 294, 298; D. 



bipunctata 333; D.hatmatodes 242; 



D. nebulosa 298; D. trivialis 297 

 Diplax (syn.) 345 

 Diptera 327 

 Discoidal cell 56 

 Disparoneura 290 

 Distalia 15, 74 

 Dobbertin fossils 307 

 Dorsum, spiracular 24, 36 

 Dragonfly-galls 72 

 Drosera binata 329 

 Drought, effect of 334 

 Ducts, salivary 19, 102 

 Dufour, on rectum of Zygopterid 



larvae 116 



Dumbleton fossils 307 

 Duplex gill-system 75, 181 

 fDysagrion 316 

 \Dysagrioninae (syn.) 316 

 Dythemis 272, 286, 296 

 Dytiscus 330 



Ecdysis 73 



Economics 334 



Ectoderm 233 



Ectogenic fauna 295 



Ectotrachea 1 66 



Efferents, trachea! 167, 178 



Egg 225, 228, 229 



Egg-strings 219 



Eggs, how to obtain 358 ; of Anax 67 



Elodea 359 



Embryo 67, 232 



Embryology 229 



Enallagma 195, 288, 293, 349; E. 



cyathigerum 296, 349, 352 

 End-filament 219 

 End-hook 19, 78 

 Endoderm 235 



Endoskeleton 202; of head 14; of 



thorax 24 

 Endosternites 14 

 Endotrachea 166, 241 

 Enemies of Dragonflies 329 

 Entogenic fauna 283; table of opp. 



282, and 284-5 

 Eocene fossils 314 

 Epallage 289 

 EPALLAGINAE defined 274; genera 



of 284-5 

 Epallagini defined 274; genera of 



284-5 



Ephemeridae 1 

 fEphemerites ruckerti 306 

 Epicranium 12; of larva 76 

 Epimerum 23 



Epiophlebia 60, 273, 283, 289, 308, 309 

 EPJOPHLEBIINAE defined 276; 



genera of 283 

 Epiopticon 129 

 Epipharynx 13, 101, 154 

 Episternum 23 

 Epitheca 230, 288 

 Epophthalmia 85, 289, 297 

 Erichson, on classification 1 

 Erpetogomphus 296 

 Erythemis 296 

 Erythrodiplax 296 

 Erythromma 195, 289, 349; E. naias 



349, 352 

 Ethiopian fauna, ectogenic 297; ento- 



genic 289; palaeogenic 283 

 Eucorduliini defined 267; genera of 



table opp. 282 

 \Euphaeopsis 311 

 Excretion, physiology of 118 

 Excretory system 117 

 Exner, on compound eye 149 

 Exuviae 95 



Ej^e-line, median 11, 146 

 Eyes, compound Jl, 141, 147; of 



larva 73, 150 



Fabricius, on classification 1 



Faivre, on sensation 135 



Falkenau (Bavaria) fossils 314 



Fasting 110, 334 



Fat-body 118, 242 



Female reproductive organs 219 



Femur 27, 28, 87 



Fenestrate membrane 144 



Fibrillae, in eye 145; in gizzard 104 



Filmii 331 



Flight 321 



Flinders River fossils 313 



Florissant fossils 314-6 



Foliae 183 



Foliate gills 183, 186 



Folk-lore 336 



