INDEX 



Seventeen-year locust, see Periodi- 

 cal cicada 

 Shield-bearers, 54 

 Sleeping sickness, 349 

 Slender meadow grasshopper, 54 

 Snowy tree cricket, 65 

 antennal marks, 66 

 musical instruments, 57 

 song, 66 

 Soldiers of termites, 131 

 Soma, 104, 304 

 Somatic cells, 104 

 Song of insects, 23> 34 

 of cicada, 210-212 



crickets, 58, 60, 62-70 

 grasshoppers, 30, 31 

 katydids, 39, 41, 42, 43, 44, 



47.48, 49> 5 1 . 5J> 54 

 Spiracles, 13, 1 14 . 

 Spirochetes, 340 

 Stagmomantis Carolina, 73 

 Stimulus, 106 

 Stomach, 109 

 Stridulation, 23 

 Striped ground cricket, 58-60 



song, 58, 59 

 Syrphid flies, 177 



larvae feeding on aphids, 176, 



'77 

 Sword-bearing conehead, ;o 

 song, 51 



Tabanidae, 320 

 Tent caterpillar, 262 



behavior on leafless tree, 278, 

 279 



cocoon, 282 



egg, 263 



egg mass, 263, 264 



epidermis, 29^ 



fat-body, 292 



feeding habits, 270, 272, 273, 

 276 



Tent caterpillar, general external 



form, 285, 286 

 head, 284, 285 

 internal organs, 289-291 

 jaws, 286 



jumping from trees, 280, 281 

 manner of feeding, 277 

 metamorphosis, 293 

 molts, 275 

 moth, 305 

 newly-hatched, 265 

 prepupal stage, 295 

 propupa, 296, 297 

 pupa, 298 

 silk glands, 286 



press, 288 

 spinneret, 286 

 spinning cocoon, 282, 283 

 structure and physiology, 283 

 tents, 270 



weaving tent, 272, 273 

 young, 262 



in egg, 312, 313 

 Termites, 125 



Ame collective, 143 

 castes, 131, 141, 142 

 community life, 134 

 destruction by, 129 

 digestion of cellulose, 137 

 egg laying, 150, 151 

 food exchange, 144 

 fungus grown for food, 148 

 king, 134 



life history, 136-141 

 males and females, 133 

 nests aboveground, 148 



in trees, 148 



underground, 147 

 queen, 134, 149 

 Reticulitermes, 136 

 short-winged form, 133, 140 

 soldiers, 131 

 tropical termites, 146 

 winged form, 133 



361 



