480 



INDEX 



Anurida, development of mouth parts, 

 *i32; germ band, "132; habits, 170; 

 pigment, 177 



Anus, *66, 105 



Aorta, *IOQ 



Apanteles, *273 



Apatetic colors, 210 



Apatura, scales, 172; colors, 175 



Aphididae, development, 359; galls of, *2i4; 

 reproduction, 358 



Aphidius, 273 



Apis mellifera, antennal sensilla, *85; ce- 

 phalic glands, 107; comb, 282, *283; 

 control of sex, 286; determination of 

 caste, 286; foot, *$i; general account, 

 281; hair, *227; larvae, * 2 84; legs, *228; 

 mandible, *$6; mimicry, *2O2; modi- 

 fications in relation to flowers, *228; 

 mouth parts, *42; ocellus, *g6; oviposi- 

 tor, *64; pupa, *284; reproductive sys- 

 tem, *i26; tongue, *86; wax, *74, 282 



Apneustic, 117, 169 " 



Apodemes, *48 



Apodous larvae, 44, 51 



Apophyses, *48 



Aporus, 319 



Appendages, development of, *i3i 



Apple, insects of, 212, 410 



Aptera, 7 



Apterygota, 9 



Aquatic insects, adaptations of, 165; condi- 

 tions of existence, 382; food, 165, 386; 

 locomotion, 166; origin, 171; respira- 

 tion, 1 68; systematic position, 165 



Arachnida, *2 



Arctic realm, 331 



Arista, *32 



Aristida, 297 



Arixeniidae, 10 



Arms, J. M., 21, 431, 432, 454 



Army worm, 339 



Arthropoda, characters of, *i; classes, 2; 

 interrelationships, 4; naturalness of 

 phylum, 7; phylogeny, *8 



Asdepias, 221, *222, *223 



Asecodes, 274 



Ashmead, 327 



Aspidiotus perniciosus, spread of, 418; 

 winter-killing of, 363 



Assembling, 90 



Associations, 393, 394 



Ast, 446 



Atelura, 



Atmosphere, 351; composition of, 367; 



movement, 368; temperature, 352 

 Atta, 293, *295 

 Attacus, 27 



Auditory hairs, 94; organs, 94, *95 

 Aughey, on insectivorous birds, 243, 463 

 Auricle, *228, 229 

 Austen, 465 

 Australian realm, 332 

 Austral region, 332 

 Autecology, 348 

 Automeris, 73 

 Ayers, 61, 452 



Bachmetjew, 364 



Back, E. A., 429 



Backswimmers (see Notonecta). ' 



Baldwin, 469 



Ball, E. D., 426 



Ballowitz, 450 



Banks, 430, 434 



Barber, 384, 456 



Barriers, 324 



Barrows, 303, 470 



Basement membrane, *67, 69, *ios 



Basiconicum, 84, *85 



Basidium, *2i8 



Basilarchia, mimicry, *2oi, 207; protective 



resemblance, 196 



Bates, on mimicry, 202, 459, 470, 471 

 Batesian mimicry, 203 

 Bateson, 458 

 Bauer, 442 



Baumberger, 354, 361, 373, 374, 475, 476 

 Beal, 240, 463 

 Bean weevil (see Bruchus). 

 Beddard, 457, 460, 472 

 Bees, color sense of, 100; hairs, *68 

 Beetles, sounds of, 91 

 Behavior of insects, 302 

 Bellesme, de, 446 

 Belostoma, digestive system of, *io5; pre- 



daceous, 166, 233 



Belt, on leaf -cutting ants, 295, 471 

 Bembidion, 303, 349 

 Benacus, "15; caecum, 105; mouth parts, 



*39; predaceous, 166 

 Beneden, van, 466 

 Beneficial insects, 411 

 Benton, on honey bee, 286, 466 



