INDEX 



571 



Berocalymma, 235 

 Deroplatys sarawaca, 243 

 De Saussure, on Orthoptera, 202 ; on wings 

 of Blattidae, 226 f. ; on classification 

 of Gryllidae, 340 ; on Semimerus, 217 ; 

 on nomenclature of Blattidae, 240 ; on 

 oceans as barriers to migration, 297 



Desert Insects, 253, 304 



Deuterotoky, 141, 497 f. 



Deuto-cerebrou, 118 



Development, of alar organs of Platycleis, 

 312 ; of crickets, 332 — see also Em- 

 bryology and Metamorphosis 



Devonian, 428, 442 



Dewitz on caste, 500 ; on ovipositor of 

 Locusta, 314 ; on morphology of sting, 

 493 ; on internal legs, 496 ; on develop- 

 ment of wings of Phryganeidae, 479, 

 480 ; on dragon-fly nymphs, 423 ; on 

 Chrysopa larva, 470 



Diaphana fieberi, 226 



DiapMromerafemorata, 263, 264, 265, 267 



Diastrophus, 532 



Diaulus, 484 



Dicranota, larva, glands of, 142 



DictyoTieura, 277, 344 



Dictyopteryx microcephala, 406 ; D. sig- 

 nata, 401 



Dielocertis ellisii, 515 



Digestion, 127 



Dilarina, 465 



Dilke, Sir Charles, on Orchis-like Mantis, 

 254 



Dimorphic cocoons, 560 ; males, 547, 549 



Diplectrona, 479 



Diploglossata, 217 



Diplopoda, 4-3, 53, 74 



Diploptera silpha folded wing, 227 



Diptera, 173 



Disgorgement, 495 



Distant on S. African locust, 298 



Ditrochous, 494, 520 



Divided eyes, 409 



Docophorus fuscicoUis anatomy, 348 ; 

 D. icterodes, D. cygni, 349 



Dog, biting-louse of, 349 



Dohrn on tracheal system of GrylloUdpa, 

 132 ; on embryology of Oryllotalpa, 

 336 



Doliclwpoda palpata, 322 



Dorsal vessel, 133, 134 ; reversed action, 

 435 



Dorsum, 100 



Dragon-flies, 409 



Drakes, 441 



Drepanepteryx phalaenoides, 453, 468 ; 

 wings, 468 



Drones, 499 



Drummers, 237 



Dubois on decapitated Mantis, 250 



Duchamp on egg-capsule of cockroach, 228 



Ductus ejaculatorius, 140 



Dudley and Beaumont on Termites, 372, 

 387 



Dufour, on alimentary canal, 124 ; on tra- 

 cheal system, 129 ; on air sacs of Acri- 

 diidae, 283 ; on sexual organs, 138, 

 139 ; on testes, 140 ; on phonation, 

 286 ; on Tridactylus, 338 ; on Man- 

 tidae, 246 ; on earwigs, 210 ; on ana- 

 tomy of cockroach, 228 ; on anatomy of 

 Gryllotalpa, 335 ; on anatomy of Ter- 

 mites, 360 ; on anatomy of Panorpa, 

 450 ; onlarvaof &'«iis, 446 ; onMyrme- 

 leon larva, 458 



Duns, 441 



Dust-lice, 390 f. 



Dwellings of Termites, 385 f. 



Dytiscus, mesothorax, 101 ; egg-tube, 138, 

 139 



Dzierzon theory, 499 



Ear, 101, 121 ; of Acridiidae, 285 f., 285 ; 

 of Locustidae, 316 f., 316, 317 ; of 

 crickets, 332 ; of Gryllotalpa, 333, 334 



Earliest Insect, 238 



Earwig, 202 f., 211, 213, 214 ; forceps, 

 208 f., 209 ; wing, 206 ; the name, 214 



Elton, on nymph, 157 ; on Ephemeridae, 

 435, 437, 440 



Ecdysis, 156, 162 ; nature of, 169 



Ectobia,2'i6 ; E.lapponica, egg-cajjsule, 229 



Ectobiides, SiO 



Ectoblast, 149 



Ectoderm, 148 ; of Feripatus, 20 f., 22 



Ectognathi, 189 



Ectotrophi, 189 



Eggs, 143-145 ; oi Peripatus, 19 ; of Myria- 

 pods, 38, 39, 64 ; of Ascalaphus, 460; 

 growing, 513 ; of parasites, 652 ; of egg- 

 parasites, 545 ; of Cm-ydalis, 447 ; of 

 Cynipidae, 528 ; of LKnacodes, 153 ; of 

 Mallophaga, 348 ; of Microcentrum, 314 ; 

 of Phasmidae, 265, 270 f., 270 ; of 

 Perla, 404 ; of Sialis, 445 ; of Trichop- 

 tera, 476 



Egg-capsule, 265, 290 ; oiPhyllium, histo- 

 logy, 271 



Egg-parasites, 522, 536, 538 



Egg-tubes, 137, 139, 392 — see also Ovaries 



Kileiicus, 76 



Eisig on chitinous excretion, 130, 163 



Ejaculatory duct, 392, 414 



Ejection of fluid, 264, 324, 399, 515 



Masmosoma, 559 



Mater larva, 29 



Elipsocus brevistylus, 393 



Elytra, 108 



JS^nbia, 352, 353 



ETiibidopsocus, 395 



Embiidae, 351, 395 



Embryology, 145-153 ; of Peripatus, 19 f. ; 

 of Myriapods, 63 f. ; of parasites, 522 ; 

 of earwig, 216 ; of Blattidae, 237 ; of 



