INDEX 



583 



Thysanura, 18S f. ; distinctions from Sym- 



pliyla, 61, 77, 79 

 Tibia, 88, 104 

 Tillus dongatus larva, 90 

 Tinodes, 483 



Tiianophasma fayoli, 276, 428 

 Tomateres ciirinus, 454, 458 

 Tovwgnathus, 498 

 Tongue, 96 — see also Lingua 

 Toryinides, 6^7 



Tozodera, 253 ; T. denticulata, 254 

 Trabeculae, 345 



Tracheae, 128 ; absent, 553, 555 

 Tracbeal gills, 400 f., 401 — see also 



Branchiae 

 Tremex columha, 507 

 Trias, 449 

 Triassic, 239 

 Trichijulus, 76 



Trichodectes, 350 ; T. latws, 349 

 Trichoptera, 54,?, 473 f. 

 Trichostegia, 480 

 Tricorythus, 434, 436 

 Tridaetylides, S.'fii 

 Tridactyhis nirirgatus, 337 

 Trigonalidae, 564- 

 Trigonalys maculifrons, 564 

 Trigonidiides, S4O 

 Trimen on Trachypetra by/o, 304 

 Trinidad, 501 



Trinoton luridwm, 345, 347 

 Trito-cerebron, 118 

 Trochanter, 88, 104, 491, 494, 520 

 Trochantin, 104 ; of cockroach, 222 

 Trophi, 91, 94 

 Tryphonides, 557 

 Tryxalides, 303, 309, 325 

 Tryxalis nasuta, 279 

 Tubulifera, 5S0 

 Tympanophorides, 3S8 

 Tympanum, 285 f. 

 Tyndall on grasshopper music, 286 



Ulloa, 33 



Uroceridae, 507 



Useless wings, 199, 394, 484, 561 



Uterus, 18, 392 



Vagus nervous system, 120 



Van Rees on metamorphosis, 162, 164 



Variation, 536 ; of colour, 252, 288, 304, 



308 ; in desert Insects, 305 : in ocelli, 



267, 395, 536 

 Vatides, S59 



Vas deferens, 18, 140, 187, 392 

 Vayssiere, on nymphs of Ephemeridae, 434 ; 



on lingua, 438 

 Veins, 206 

 Ventral chain, 116, 187, 414 ; of Perlidae, 



404 

 Ventral plate, 148 ; tnbe, 191, 192 

 Verhoeff, 38 



Verloef [misprint for Verhoeff] 



Verlooren on circulation, 436 



Vertex, 94 



Vesicula seniinalis, 140, 392 ; absent, 404, 



414 

 Vespa crabro prosternum, 40I 

 Vestibule, 112 

 Viallanes, on head, 87 ; on brain, 118, 



119 ; on metamorphosis, 162 

 Visceral nervous system, 120 

 Vitellophags, 147, 152, 168 

 Viviparous Insects, 217, 229, 143, 218 

 Voetgangers, 295 f. 

 Vom Rath on sense organs, 122 

 Voracity, 250, 258 

 Vcsseler on stink-glands, 210 



Walker, J. J., on Anstralian Termites, 



386 

 Walking-leaves, 267 

 Walking on perpendicular and smooth 



surfaces, 106 

 Walsh on galls, 531 



Wasmann on St. Angustine's works, 565 

 Wattenwyl, Brunner von — see Brunner 

 Weismann, on caste, 500 ; on meta- 

 morphosis, 162, 166 ; on imagiual discs, 

 167 

 Westwood, on Forficula, 204 ; on Helico- 

 mitus larva, 460, 461 ; on Lachesilla, 

 395 ; on Scleroderma, 636 

 Weta-punga, 326 



Wlieeler, on Malpighian tubes, 127 ; on 

 embryology of Orthoptera, 199 ; on 

 embryology of Xiphidium, 321 ; on 

 vitellophags, 147, 162, 168 ; on seg- 

 mentation, 160 

 White ants, 356 — see Termites 

 Wielowiejski on blood-tissue, 133, 137 

 Will on brain of Aphididae, 118 

 Wingless : caddis-fly, 481 ; earwigs, 205 ; 

 Insects, 345, 352, 356, 451, 488, 536, 

 547 ; wingless Psocidae, 394 f. — see also 

 Apterous 

 Wings, 107 ; origin and function, 394 ; of 

 Blattidae, 225 f. , 227 ; development of, 

 in locust, 288 ; in Trichoptera, 479, 480 ; 

 of dragon-fly, 413 ; of earwigs, 206 ; 

 of Ephemera, 431 ; growth of, 418 ; 

 of Ichneumon and Bracon, 569 ; pos- 

 terior absent, 466, 485 ; wing-hooks, 

 494 ; veins, 107 — see also Tegmina and 

 Alar Organs 

 "Wire-worm," 29, 36 

 Wistinghausen on tracheae, 129 

 Wood - Mason on Gotylosoma, 272 ; on 

 mandibles, 95 ; on Mantidae, 251, 253 ; 

 on Oligotoma, 352 ; on phonation of 

 Mantidae, 258 

 Woodworth on embryology, 146, 153 

 Workers, 361, 374, 488, 495 

 Wyandotte Caves, Myriapods in, 34 



