INDEX 



4OI 



Stridulation, 83, *84 

 Strongylonotus, 276 

 Structural colors, 159 

 Styloconicum, 75, *j6 

 Stylo ps, hypermetamorphosis of. 145 

 Subcosta, *46 

 Subgalea, *3o 

 Submentum, *2g, *3i 

 Subcesophageal ganglion, 71, *72, 73 

 Suctorial mouth parts, 31 

 Suffusion, 164 

 Superlinguae, *3i, *32, *i2i 

 Superlingual, neuromere, *36, 72, 124; seg- 

 ment, 36 



Supracesophageal ganglion, 71, *72, *73 

 Suranal plate, 54, *58 

 Surface film, 155 

 Suspensor, *n6 

 Suspensory muscles, *ioo 

 Swarming, 268 

 Symbiosis, 281 



Sympathetic system, *72, *73, *74 

 Synaptera, 8 



Syrphidae, silk glands of, 68 

 Systole, 1 02 



Tabanidae, 215 



Tabanus, nervous system, *73; olfactory 

 organ, *8o 



Tactile hairs, 59, 75, *76 



Taenidia, *m 



Tarsus, *39, 40, *4i, *42 



Taschenberg, 339 



Taste, 76; end-organs of, *77, *78, *79 



Taxis, 283 



Tegmina, 45 



Tegulae, 38 



Telea polyphemus, cocoon of, 136; eclosion, 

 143; larval growth, 132; silk glands, 67; 

 spinning, 139 



Teleas, 146 



Temperature, its effects on coloration, 163 



Tenent hairs, *64 



Tenthredinidse, 20; larval legs of, 43 



Tenthredopsis, larva of, *i3i 



Tentorium, *24 



Terebrantia, 16, *iy 



Tergites, 37, * 3 8 



Tergum, 37, 52 



Termes flavipes, 261; lucifugus, *26o, 261, 

 262; obesus, *26i 



Termites, American species of, 261; archi- 

 tecture, *262, *263; classes, *26o; "com- 

 pass," *263; food, 261; mandibles, *3o; 

 origin of castes, 261; queen, *26i; ravages, 

 263 



Termitidce, 9 



Termitophilism, 264 



Term ops is, 262 



Tertiary insects, 319, 322 



Testes, "113 



Thalessa, *255 



Thanaos, androconia of, 63; claspers, 56 



Thaxter, on Empusa, 200, *2Oi; 375 



Thelen, 361 



Theobald, 386 



Thermotropism, 290 



Thigmotropism, 284 



Thimm, 378 



Thomas, C., 334, 335 



Thomas, M. B., on androconia, 63; 351 



Thorax, differentiation of, 37; parts, 37; 

 sclerites, *37, *38 



Thread-press, *67 



Thyridopteryx, number of eggs of, 130 



Thysanoptera, *i2, 18; origin of, *2o 



Thysanura, *7; abdominal segments, 52; 

 primitive, 17 



Thysanuriform, 19, 130, *i3i, 147 



Tibia, 40, *4i, *42 



Tipula, 15, *i6 



Titanophasma, 21 



Toad, insectivorous, 218 



Tongue, 31 



Touch, 75 



Tower, on color patterns, 171; cuticular 

 colors, 1 60; distribution of Leptinotarsa, 

 314; folding of wing, 48, *49; integument, 

 *59; origin of wings, 45 ; structural colors, 



159; 35i, 373, 384 



Townsend, 105; 360 



Toyama, 364 



Tracheae, development of, 124, *i25; dis- 

 tribution, *io7, *io8; structure, no, *in 



Tracheal gills, *io8, *io9, 156 



Tracheation, types of, 107 



Trelease, 375 



Tremex, *i f j 



Triassic insects, 322 



Trichius, 208 



Trichodeum, 75, *j6 



Trichogramma, 257 



Trichoptera, *i4; origin of, 19, *2o; silk 

 glands, 68 



Trichopterygidse, size of, 21, 256 



Trimen, on dispersal, 301; on P. merope, 

 186. 188; 373, 374 



Trimerotropis, protective resemblance of, 180 



Trimorphism, 166 



Triphleps, egg of, *i28 



Tritocerebrum, 72, 124 



Triungulin, 144, *i45 



Trochanter, 40, *4i, *42 



Trochantine, 40 



Tropcea luna, cocoon of, 136 



Tropical region, 313 



Tropisms, 283 



Trouessart, '383 



Trouvelot, on cocoon-spinning, 139; eclosion, 

 143; larval growth, 132; 367 



Trypanosomes, *247; *249 



Trypanosomiases, 246, 248, 249 



Tryphcena, 162 



Tsetse fly, 247, *248 



Tuberculosis, 251 



Turner, 91; 356 



