



Stomachic ganglion, Bl, '83 

 *8j 



Stomoila-um. *io-, : 



Strata, 



.S'/r<;//rwv.v, 360 



Stratiin. : 



Straus Piirckhcim, on musrlrs, ;X; j 



Strength, muscular, 79 



Strcpsiptcra, r;, 137, 157 



Stridulation, 92, *93 



Strindbrri;, 453 



Strong, R. P., 266 



StroHgylonotHf, 294 



Structural colors, 172 



Styloconicum, 84, *85 



Stylo ps, hypcrmetamorphosis of, 157 



Subcosta, *54 



Subgalea, *38 



Submentum, *35, *38 



Suboesophageal 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, "132, 133 



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

 ment, 44 



Supraoesophageal ganglion, 80, *82 



Suranal plate, 62, *6j 



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 



TabanuSy nervous system, *82; olfactory 



organ, *89 

 Tachardia, 75 

 Tactile hairs, 69, 84, *8s 

 Teen id in, ' 



'inl. i, 401 



. x.,. ,-,! ori'ansof, *86, *87, *88 



-*02 



(>lyf'li<-niii r, ( 01 ooii 



152; larval growth . :-,, 75; 



.>piiniiiiL'. 



Teleas, 158 



Telson, 60 



Temperature, 352; acclimatization to, 360; 

 on activity, 353; on coloration, 182; on 

 (li-OrilnitioM, $62; on hibernation, 

 on incubation, 358; limits, 35: 

 reproduction, 358; of soil, 350 



Temperature-constant, 355 



Tenebrio molitor, 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, *46 



Tergum, 45 



Termites, American species of, 279; archi- 

 tecture, *28o; classes of, *277; "com- 

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

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

 ravages, 281 



Termitidae, n 



Tennitophilism, 281 



Termitoxinia, 126, 127 



Termopsis, 278 



Tertiary insects, 341, 345 



Testes, "124 



Tetralonia, 225 



Tettigoniidae, 10; ovipositor, *63; spermato- 

 zoon, "125 



Texas fever, 269 



Thalessa (see Megarhyssa). 



Thanaos, androconia of, 72; claspers. 



Thayer, 461 



Thaxter, on Rmpnsa, 21- , *2i8; 462 



Thelen, 449 



Theobald, 477 



Thermotropism 



Thigmotroj&m, 303 



Thimm. 405 



