INDEX 



Termites, wingless males and 

 females, 140 



workers, 131 



young, 136 

 Testes, 122 

 Tettigoniidae, 32 

 Thorax, 12 

 Thysanura, 247 

 Tracheae, 114 

 Tree crickets, 63 



antennal marks, 66, 67 



attraction of males for females, 

 68,69 



black-horned, 67 



broad-winged, 65 



four-spotted, 67 



musical organs, 56, 57 



narrow-winged, 67 



Neoxaiia, 69 



Oecanthus, 65-68 



snowy, 65 



song, 65, 66, 67 



two-spotted, 69 

 Triungulins, 23 

 Tropisms, 121 

 True katydid, 43 

 Trypanosoma, 349 

 Tsetse fly, 348, 349, 350 



mouth parts, 350, 351 

 Two-spotted tree cricket, 69 



song, 69 



W 



Walking stick, 72 



Walking stick insects, 71 



Wasps and bees, larvae, 230, 238, 



252 

 Ways and means of living, 99 

 White ants, 128 

 White grubs, 230 

 Wings, 83, 8 4 

 evolution, 315 

 of bees, 319 



beetles, 318 



butterflies and moths, 318 



dragonflies, 316 



flies, 319 



grasshoppers, 318 



roaches, 83, 84, 318 



termites, 146, 316 



wasps, 319 

 origin, 91, 92 

 Wigglers, 230, 329 

 Woolly aphis, 172 



Xiphidium, 54 



Yellow fever, 339 

 Yellow fever mosquito, 331, 339, 

 34° 



[362] 



