GENERAL INDEX 



(Generic names only are given in italics) 



abdominal appendages, 41 



Acerentulus, 28 



Ageniaspis {Encyrtus), 354 



air currents, 238 



Aleochara, 336 



alfalfa weevil, 381 



Anomala, 373 



Anomochorista, 78 



Anopheles, races of, 291 



antennae, 40 



anthocyanins, 187 



Anurida, 11 



Apanteles, 186, 348, 361, 363, 370, 398 



Aphelinus, 320, 338, 385, 389, 409 



Aphelopus, 358 



aphides, 188, 231, 236 



Aphidius, 325, 328, 343 



Aphis, 240, 241, 266, 277 



Aphycus, 324 



Apion, 418 



Apis, 7. See also bee. 



apodous larvae, 60 



Archipanorpa, 90 



Archotermopsis, 93 



Aristopsyche, 90 



Artona, 387 



Aspidiotus, 388 



Asterochiton, 167 



atmometer, 235 



atmospheric pressure, 237 



Australia, biological control in, 413 



Balisarcha, 297 



Balhyplectes, 381 



bee, 137, 220 ; colour vision, 114 



Belmontia, 86, 99 



bioclimatic law, 266 



biological control, 368 ; factors 



involved, 391 ; weed repression, 



410 ; literature, 419 

 biological races, 286 

 biramous limbs, 22 

 blackberry control, 418 



Blastothrix, 324, 344, 387 



Blatella, 7, 44, 45 



Blatta, 45, 233 ; sensillae, 128 



Bonnetia, 336 



" bound " water, 222 



Brodia, 96 



brown-tail moth, 379 



Bruchus, 230, 287 



Cadoblastis, 415 



Calandra, 220 



California, biological control in, 370, 



376, 394, 408 

 CaUiphora, 69, 136, 230, 319 

 Calosoma, 380 

 Campodea, 7, 13, 23, 24, 28 

 Canada, biological control in, 386 

 Carausius, 5, 7, 12, 294 ; colour 



phenomenon in, 121, 187, 202 

 carbon dioxide output, 214, 219 

 Carboniferous insects, 86 

 carotin, 184 

 Centeter, 339, 384 

 Ceralitis, 252, 374, 396 

 cerci, 42 

 cercoids, 43 



Ceylon, prickly pear control in, 417 

 Chalicodoma, 7 

 Charips, 328 

 chemoreceptors, 123 

 chemotropism, applications of, 155 

 chlorophyll, 183 

 'Chlorops, 266,269 



chordotonal organs, 140 ; functions, 145 

 Cicadidse, tympanal organs, 144, 152 

 Cimex, 66 

 Clonus, 197 

 claspers, 45, 49 



Clidemia, biological control of, 418 

 climate, 251 ; and weather, 257 

 Coccophagus, 327, 350 

 codling moth, 123 

 cold, effects of, 221 



426 



