INDEX 



499 



Stomachic ganglion, 81, *83 



Stomatogastric nerve, 81, *83 



Stomodaeum, *io2, 131 



Strata, 393 



Stratiomys, 360 



Straton, 462 



Straus-Diifckheim, on muscles, 78; 435, 441 



Strength, muscular, 79 



Strepsiptera, 17, 137, 157 



Stridulation, 92, *93 



Strindberg, 453 



Strong, R. P., 266 



Strongylonotus, 294 



Structural colors, 172 



Styloconicum, 84, *85 



Stylops, hypermetamorphosis of, 157 



Subcosta, *54 



Subgalea, *38 



Submentum, *35, *38 



Subcesophageal ganglion, *8i, *82 



Succession, 404; causes of, 404; ecological, 

 406; of forest communities, 406; geolog- 

 ical, 404; of Orthoptera, 408; seasonal, 

 405; of tiger beetles, 407 

 Suctorial mouth parts, 38 

 Suffusion, 178 

 Summers, 426 



Superlinguae, 36, *38, *i32, 133 

 Superlingual, neuromere, *43, 81, 135; seg- 

 ment, 44 



Supra cesophageal ganglion, 80, *82 

 Suranal plate, 62, *67 

 Surface film, 168 

 Suspensor, 125 

 Suspensory muscles, *no 

 Swarming, 286 

 Swenk, 426 

 Symbiosis, 299 

 Symons, 426 



Sympathetic system, *8i, *83 

 Symphyla, 3, *6 

 Synchronism, of fireflies, 116 

 Synecology, 348 

 Syrphidae, silk glands of, 77 

 Systole, in 



Tabanidae, 233 



Tabanus, nervous system, *82; olfactory 



organ, *89 

 Tachardia, 75 

 Tactile hairs, 69, 84, *85 

 Tanidia, *i22 



Tarantula, 401 



Tarsus, *48 



Taschenberg, 430 



Taste, 84; end-organs of, *86, *87, *88 



Taxis, 302 



Tegmina, 53 



Tegulae, 46 



Telea polyphemus, cocoon of, 148; eclosion, 

 152; larval growth, 144; silk glands, 75; 

 spinning, 151 



Teleas, 158 



Telson, 60 



Temperature, 352; acclimatization to, 360; 

 on activity, 353; on coloration, 182; on 

 distribution, 362; on hibernation, 361; 

 on incubation, 358; limits, 352; on 

 reproduction, 358; of soil, 350 



Temperature-constant, 355 



Tenebrio molilor, development, 359, 360; 

 incubation, 359; metabolism, 370 



Tenent hairs, *72 



Tension lines, 399 



Tenthredinidae, larval legs of, 51 



Tenthredopsis, larva of, *i42 



Tentorium, 29, *3o 



Terebrantia, *i9 



Tergites, * 45 , * 4 6 



Tergum, 45 



Termites, American species of, 279; archi- 

 tecture, *2$o; classes of, *277; "com- 

 pass," *28o; food of, 279; mandibles, 

 *36; origin of castes, 279; queen, *278; 

 ravages, 281 



Termitidae, ir 



Termitophilism, 281 



Termitoxinia, 126, 127 



Termopsis, 278 



Tertiary insects, 341, 345 



Testes, ="124 



Tetralonia, 225 



Tettigoniidae, 10; ovipositor, *6$; spermato- 

 zoon, *I25 



Texas fever, 269 



T hales sa (see Megarhyssa). 



Thanaos, androconia of, 72; claspers, 65 



Thayer, 461 



Thaxter, on Empusa, 217, * 218; 462 



Thelen, 449 



Theobald, 477 



Thermotropism, 312 



Thigmotropism, 303 



Thimm, 465 



