INDEX 



An asterisk * denotes an illustration. 



Abbott, 461 



Abdomen, 60; appendages of, *6i, *i32, 



*i33; extremity, 62; modifications, 61; 



segments, 60 

 Acacia, *2$o 



Accessory glands, *i24, 125 

 Acclimatization, 360 

 Acerentomon, *6 

 Achorutes, *io 

 Acone, 98 



Acridiidae (see Locustida). 

 Aculeata, 19 

 Adams, 339, 472, 475 

 Adaptations, of larvae, 145; of legs, 48, *5o; 



of mandibles, *36; protective, 245 

 Adaptive coloration, 194; classification, 210; 



evolution, 211 

 Adelung, von, 444 

 Adler, 439, 462 

 Adventitia, no 

 Adventitious resemblance, 197 

 Aedes, 255, 269 

 jEgeria, sexual coloration, 184 

 yEstivation, 366 

 Ageronia, 92 



Aggressive resemblance, 210 

 Agrionidae, caudal gills, *IIQ 

 Air, movement, 368; of soil, 350; of water, 



383 



Air-sacs, 117 

 Alary muscles, *io9 

 Albinism, 179 

 Aldrich, 384, 414, 426 

 Alexander, 460 



Alimentary tract (see Digestive system) . 

 Allard, 445 



Alluring coloration, 210 

 Alternation of generations, 216 

 Amans, 437, 455 

 Amber insects, 341, 345 

 Ametabola, 140 

 Ammophila, *3i7 

 Amnion, "131, 135 

 Amphidasis, 178 



Amphigony, 358 



Ampkipyra, 304 



Ampullaceum, *85 



Anajapyx, *6, 21 



Anal glands, 73, "103 



Anasa, *i$8 



Anderson, 269 



Androconia, *7i, 72 



Anemotropism, 305 



Aner gates, 294 



Angrczcum, 221 



Anisota, *i52 



Anisotropic, 78 



Annelids, in relation to arthropods, 5, *8 



Anomma, 293 



Anopheles, 250, 251 



Anophthalmus, 100 



Anosia berenice, 337; plexippus, antenna of, 

 *32; dispersal, 325; eclosion, 152; 

 so-called mandibles, 40; mimicry, *2oi, 

 207; pupa, *i47; pupation, 147; scale, 

 *7o; wing, *ss 



Anteclypeus, 29 



Antecoxal piece, *47 



Antennae, forms of, *32; functions, 33; sex- 

 ual differences, *33 



Antennal comb, *228, 229; neuromere, *43; 

 segment, 44; sensilla, 84, *8$ 



Anthonomus grandis, activity, 353; aestiva- 

 tion, 366; coloration, 378; develop- 

 ment, 355, 359, 360; fecundity, 376; 

 food, 376; hibernation, 361; longevity, 

 377; rainfall on, 366; spread in U. S., 

 418; winds on, 368 



Anthrax, 269 



Anthrenus, *6g 



Antigeny, 34, "184 



Ant-plants, *2$o 



Ants, castes of, 289; color sense, 100; facets, 

 31; general account, 289; habits, 291; 

 harvesting ants, 297, 400; honey ants, 

 *294; hunting ants, 293; larvae, 290; 

 leaf-cutting, *295; nests, 290; photo- 

 tropism, 310; slavemaking, 293 



479 



