INDEX 



501 



Veins, *54 



Velum, *228 



Venation, *54 



Ventral sinus, no, *i23 



Ventral tube, 62 



Ventriculus, *io4 



Verhoeff, 438, 439, 440, 466 



Vernon, 459 



Vertex, 28 



Verworn, on phototropism, 308; 469 



Vespa, nests of, *288; olfactory organ, *89; 



sensillum, *8s; taste cups, *8y; tongue, 



*86 



Vespidae, 287 

 Vestal, 394, 475 

 Viallanes, 435, 442, 448, 454 

 Vinal, 450 

 Vision, 95 



Vitelline membrane, *i29 

 Vitreous body, 95, *g6 

 Voliicella, mimicry by, *2io; predaceous, 271 

 Voss, F. 438 

 Voss, H. v., 459 



Wagner, F. v., 459 



Wagner, J., 433 



Wagner, N., 450 



Wahl, 455 



Walker, E. M., 434, 435 



Walker, J. J., 456 



Walking, 51 



Walking-stick, *i95 



Wallace, on mimicry, 203; 459, 460, 471 



Walsh, on losses through insects, 410; 424 



Walter, on mouth parts, 40; 436 



Walton, 428 



Warming, 474 



Warning coloration, 199 



Washburn, 425, 464 



Wasmann, on myrmecophilism, 297; 466, 

 469, 470 



Wasps, 287 



Wasteneys, 470 



Watase, 444 



Water, 382; circulation of, 384; contents 

 of, 383; depth, 386; pressure, 385; of 

 soil, 350; temperature of, 385; vegeta- 

 tion of, 386 



Watson, 474 



Wax, 413 



Wax, glands, 74; pincers, *228, 229 



Webb, 429 



Webster, F. M., on dispersal, 323, 335, 338, 



368; losses through insects, 410; 425, 



460, 462, 466, 471, 472 

 Webster, R. L., 426 

 Wedde, 436 

 Weed, C. M., on birds in relation to insects, 



242, 243, 245; 426, 464 

 Weinland, 444 

 Weismann, on imaginal buds, 161; instinct, 



317; temperature experiments, 182; 



45i, 453, 457, 458, 459, 460, 469 

 Weiss, 156, 311, 475 

 Welch, 456 

 Welles, 447 

 Wesche,437 



West wood, on Brachinus, 73; 431, 432 

 Wheeler, on ants, 289, 297, 320; Malpighian 



tubes, 1 08; protective coloration, 178; 



trophallaxis, 301; tropisms, 302, 303, 



305, 306, 311; 439, 447, 448, 452, 453, 



467, 468, 469 

 White, F. B., 455 

 Whitman, 469 



Whymper, on distribution, 322; 472 

 Wickham, 347 

 Wielowiejski, von, 448, 450 

 Wilcox, 451, 463 

 Wilde, 446 

 Wilder, 267 



Will, F., on taste, 85; 444 

 Will, L., 450, 452 

 Williams, C. B., 434 

 Williams, T., 449, 455 

 Wilson, 453 

 Wilt, cucurbit, 219 

 Wind, distribution by, 323, 368 

 Wings, 53; folding of, 56, *57; modifications 



of, 53; muscles of, *59; venation, *54; 



vibration, 57, *58, 91 

 Wistinghausen, von, 449 

 Witlaczil, 440, 447, 452, 454 

 Wodsedalek, 377 

 Wollaston, on beetles of Madeira Islands, 



326 



Woodward, 453 

 W T ood worth, 425, 438 

 Worker, ant, 289; bee, *282, 286; termite, 



277, *278; wasp, 288 



Xanthophyll, as a pigment, 176, 193 

 Xenoneura, *342 

 Xiphidium, stridulation of, 92 



