650 



IX DUX 



. l/'i t -ri>niii(i seliinitti 387 



Aptei-ostigma 24, 141. 319, 326, 328, 329, 



337, 338: ./. niirlli-ri 324, 328: A. 



pilosiim 3Kj, 3_>j. 328. 3- 1 ') : .1. '^as- 



inanni 3_'4 



Arabis Tlnileana 2- \ 

 Araclinida 379 

 Aristida 284, 287: .-!. oligantha 286; A 



piingcns 273 ; .1. stricta 286 

 Artemisia fttlgaris 340 

 Arthropterus 402 

 Association, arenicolous 157 ; cespiti- 



colous 157: deserticolous 157; eri- 



ceticolus 157: nemoricolous 157; pra- 



tincolous 157; silvicolous 157 

 Astragalus 290 

 Atclura 392, 396; A. fonnicaria 391, 392, 



A. ti'lieclcri 392 

 .Iteuieles 404, 405, 406, 407, 443; ^4. 



emarginatus 407 ; ^4. parado.rus 407 ; 



.-!. pnbicollis 403, 407 

 Atopomyrmex 139, 172, 174 



.4 //fl 10, II, 72. 112, 120, 124, 125, 141, 



151, 180, 181, 182, 186, 199, 308, 319, 

 326, 330, 33i, 332, 337, 338, 34i, 438, 

 514, 524 ; A, barbara 271 ; A. cepha- 

 lotes 10, 321, 324, 337 ; A. fcrvens 

 513; A. scxdens 34, 3^9, 333, 337, 

 540: A. texana 201, 327, 328, 331, 

 333, 334, 335, 336, 337, 395. 513 



Attaphila 393, 397 ; A. bergi 397 ; A. 

 fungicola 395, 396 



Attii -i, 141, 177, 318, 377 



Attopsis 1 66 



Aztcca 46, 98, ii2. 142, 215, 303, 304, 

 308, 309, 3io, 341, 349: A. alfari 310; 

 A. aurita 216, 304; A. barbifex 216; 

 A. constructor 216: A. duroicc 310; 

 A. decipiens 216: A. hypophylla 216, 

 303, 304; A. lalleniandi 216; A. lani- 

 ans 216; A. niathUdce 216; A. innelleri 

 216, 302, 304, 305: A. miiltinida 216; 

 A. nigrit'cntris 216; A. olithri.r 213, 

 315; A. scltimperi 216: A. sericea 17; 

 A. stalactitica 216; A. traili 213, 315; 

 A. trigona 214, 216, 304; A. ulei 213 

 315 ; A. riridis 304 



B. 



Balsamina 299 



Baltic amber 162 



B ambus a 295 



Batrisus 404 



Battles of Ants 181 



Bead-glands 300 



Beckia 383 



Bees 13, 29; carpenter 209, 212; social 



i, 2, 3 

 Behavior, automatic 507 ; instinctive 



518; plastic 507, S3' ; reflex 507, 529 

 Bclonopelta 135 

 Beltian bodies 300 

 Bembe.r 110 



Beneficial ants 7, 8 



Beta-female 95, 96, 113 



Mlattid.T 400 



Blattoidea 14 



Blood 46 



Bodies, pedunculate or mushroom 54, 



55- 56 



Boinbax 295 ; B. ceiba 216 

 Bothriomyrmex 42, 142, 148, 167, 172, 



449, 45i, 487; B. atlantis 447; B. 



gxpperti 1 66, 349; B. meridional is 



43, 44, 45, 446 

 Bothroponera 135 

 Brachymynnc.v 113, 143, 341, 361; B. 



lieeri 349; B. termitophilus 428 

 Brachyponera 135 ; B. solitaria 236 

 Brachynits 403 

 Braconidae 340, 419 



Bradoponera 167 : B. ineieri 161, 170 

 Bradypns tridactyhts 308 

 Brain 51, 52 

 Braunsina 392 

 Bromatia 334 

 Buccal tube 32 

 Bull-dog ants 227 

 Bumblebees 90. 91, no 

 Bunchosia gaudichaitdiana 301 



C. 



Calamus amplcctens 298 



Callows, coloration of, 79 



Calomyrmex 16, 144 



Calophyscia 297 



Calyptitcs antcdilurianits 173 



Calyptomyrmex 141 



Camponotinse 13, 15, 26, 143 



Camponotii 144 



Camponotus n, 23, 35. 36, 39, 42, 43, 

 70, 83, 98, 99, 108. 112, 120, 125. 144, 

 151, 166, 167, 173, 174, 175, 181, 182, 

 188, 212 214, 216, 303, 358, 360, 361, 

 364. 374- 39i, 420, 515, 524; C. ab- 

 dominalis 113, 151: C. abscisus 432; 

 C. americanus 14, 79, 83, 100, 122, 

 181, 183, 201 ; C. cognatus 17: C. con- 

 fitsi/s 113; C. constrictus 173, 174; 

 C. decipiens 39, 40, 209; C. falla.r 150, 

 208, 393; C. femoratus 213, 315: C. 

 ferniginens 188, 208; C. festinatus 39, 

 40 ; C. floridanus 154 ; C. fumidns 206; 

 C. herculeanus 40, 60, 131, 146, 148: 

 C. ignens 174: C. iiucqualis 212, 298, 

 426 ; C. in flatus 365, 366 ; C. lateralis 

 422 ; C. lerigatus 208, 393 ; C. Ugtn- 

 perdus 34, 40, 72 ; C. maculatus 131, 

 146, 151, 310; C. melleus 393; C. men- 

 gei 174; C. mirabilis 17; C. nearcti- 

 cus 213; C. nigriceps 393; C. no'ce- 

 boracensis 131, 132, 188, 208, 407, 

 418; C. pennsylvanicus 10, 83, 85, 131, 

 188, 189, 191, 208, 393, 407, 417, 419, 

 422, 453; C. planatus 151, 152, 426; 

 C. punctulatus 351; C. quadriceps 75, 



