626 



INDEX 



la alakurt, 523, 526 

 Yerson, on rudiments of wings, 328 

 Vertebrates, larvae of Diptera, attacking, 



506, 510, 512, 514, 514. 517, 520; 



tick-fleas on, 526 

 Vespa, nests of, 79, 83 ; T". austriaca, 81, 



88 ; T'. crabro, 81 ; I', germanica, 79 

 Yespidae, 78 

 Viviparous, Aphids. 583 ; fly, 506, 511, 



513, 518 f. ; moths, 430 ; Staphylinidae, 



227 

 Voice see Song, Sound-organs, Stridula- 



tion 

 \'<>lt/cella, 500 ; J". fnimliyicux, 441 



Wagner, on morphology of fleas, 523 n. ; 



on paedogenesis, 460 

 Walker, J. J., on II(/lbates, 552 

 Wallace, on flight of Hesperiidae, 364 

 Walsingham, Lord, on Tortricidae, 427 

 Walter, on mouth of Lepidoptera, 308, 



310 , 



Wandering ants, 175 f. 

 Wanzenspritze, 536 

 Wasmann, on Auts'-nest Insects, 181 n., 



183 ; on Lmneclmsa, 142, 226 ; on 



Weismaim, 143 

 Wasps, 71 f. 



Wasps'-nest, beetle, 235 ; Insect, 268 

 Water-scorpion, 563 

 Wax, 65, 575, 576, 597 

 Wax-glands, 589 

 Wax-hairs, 580 



Wedde, on mouth of Hemiptera. 535 

 Weeping-trees, 577 

 Weevil, biscuit-, 247 ; pea-, 277 

 Weinland, on halteres, 448 

 Wet- and dry-season forms, 336 

 Whirligig-beetle, 21 5 

 White wax, 576, 597 

 Whittell, on Pelopaeus and Larrada, 117 

 Wielowiejski, on luminous organs, 250 

 Wing-cases, of beetles, 186, 270 



Wing, of bugs, 539 : of Diptera, 447 ; 



of Lepidoptera, 315 f. ; development of, 



328 ; structure of, 329 

 Wingless see Apterous 

 Wingless and winged Aphids, 584 

 Wing-nervures see Nervures 

 Wing-rib, 330, 333 

 Wing-veins see Nervures 

 Winter-gnats, 473 

 Winter-moth, 414 

 Winter-mother, 586 

 Wire-worm, 258 

 Wood-ant see Formica rufa 

 Wood-leopard moth, 309, 395 

 Woodpecker, Diptera in, 506 

 Workers, 54, 66, 67, 79, 85, 132, 140 

 Worm-eaten furniture, 248 



Xantharpyia straminea, parasite of, 521. 



522 



Xenon, 303 : A". roKsii, 299. 301 

 Xestobium, 24$ 

 Xit/iiro/H', -'j'2, 34, 70 ; suluuentimi of, 14 ; 



X. cliliirii/tii /". 34 : A", violacea, 33 

 Xylodiplnsis, 458, 459 

 Xylophagidae, 479 

 Xylophaginae, 480 

 Xylophilidae, 266 

 Xylotrupes gideon, 199 



Yellow-fever-fly, 464 

 Yolinus, 558 

 Young carried, 556 

 Yucca-moth, 432 



x, 205 



ii. 566 



296 



Zeuzera aesculi, 309, 395 

 Zenzeridae, 395 



Zygaenidae, 369, 388, 390, 392, 394 

 Zygia, 253 



END OF VOL, VI 



Printed by R. & R. CLARK, LIMITED, Edinburgh. 



