INDEX 



483 



Stenamma, 334 



Stenobothrus., blood corpuscles of, 



*i25 ; stridulation of, 104 

 Sternberg, on malaria, 302, 303 ; 456, 



457 



Sternum, *47, 48, *49, 66 

 Stigmata (see Spiracles) 

 Sting of honey bee, *;o 

 Stinging hairs, *8i 

 Stings, efficiency of, 298 

 Stipes, * 3 7, *38, 39 

 Stokes, 436 

 Stomach, *ng 

 Stomachic ganglion, *Q2 

 Stomatogastric nerve, *92 

 Stomodaeum, *n6, *H7, *I49 

 Straton, 454 

 Straus-Diirckheim, on muscles, 86 ; 



4i3, 423 



Strength, muscular, 88 

 Stridulation, 104, *ios, 106 

 Strongylonotus, 336 

 Structural colors, 193 

 Struggle for existence, 239 

 Styloconicum, 94, *95 

 Stylops, hypermetamorphosis of, 175 

 Subcosta, *59 

 Subgalea, *38 

 Submentum, *37, *39 

 Suboesophageal ganglion, *go, *gi, 93 

 Suctorial mouth parts, 40 

 Suffusion, 199 

 Superlinguse, *4O, 150, *i5i 

 Superlingual, neuromere, *46, 92, 152; 



segment, 45 

 Supracesophageal ganglion, *9o, *gi, 



93 



Suranal plate, 68, *73 

 Surface film, 187 

 Suspensor, *i43 

 Suspensory muscles, *i25 

 Swarming, 327 

 Symbiosis, 343 



Sympathetic system, *go, *9i, *92, 94 

 Synaptera, 10 



Syrphidse, silk glands of, 85 

 Systole, 128 



Tabanidas, 276 



Tabanus, nervous system, *gi ; olfac- 

 tory organ, *ioo 



Tactile hairs, 76, *94, *9S, 96 



Taenidia, *i37 



Tarsus, * 49 , * 5 i, * 53 



Taschenberg, 409 



Taste, 96 ; end-organs of, *97, *g8, 

 *99 



Taxis, 345 



Tegmina, 58 



Tegulae, 48 



Teled polyphemus, cocoon of, 170; 



eclosion, 172; larval growth, 164; 



silk glands, 84; spinning, 170 

 Teleas, 177 

 Temperature, its effects on coloration, 



199 



Tenent hairs, *8o 



Tenthredinidse. 25 ; larval legs of, 55 

 Tenthredopsis, larva of, *i62 

 Tentorium, *3O 

 Terebrantia, 20, *2i 

 Tergites, *48 

 Tergum, 47, 66 

 Termes ftavipes, 318: Incifugus, *3i6, 



317. 318 ; obesus, *3i7 

 Termites, American species of, 318 ; 



architecture, *3i9, *32o ; classes, 



*3i6; " compass," 319, *32O ; food, 



318; mandibles, *38 ; origin of 



castes, 318; queen, ^317; ravages, 



320 



Termitidse, n, 12 

 Termitophilism, 321 

 Termopsis, 318 

 Tertiary insects, 385, 389 

 Testes, *i40, 141 

 Texas fever, 306 

 Thalessa, *3io 

 Thanaos, androconia of, 80 ; claspers, 



72 



Thaxter, on Empusa, *258, 259, . 454 

 Thelen, 434 

 Theobald, 465 

 Thermotropism, 355 

 Thigmotropism, 346 

 Thomas, C., 404, 405 

 Thomas, M. B., on androconia, 80, 422 

 Thorax, differentiation of, 47 ; parts, 



46 ; sclerites, *47, *48 

 Thread-press, *84, 85 

 Thyridopteryx, number of eggs of, 161 

 Thysanoptera, 13, *is; origin of, 23, 



*2 5 



Thysanura, *8, 9 ; abdominal seg- 

 ments, 66 ; primitive, 21 



Thysanuriform, 24, *i62, 178 



Tibia, *49, *5i, *53 



Tipula, 19, *2o 



Titanophasma, 27 



Toad, insectivorous, 280 



Tongue, 39 



Touch, 96 



Tower, on color patterns, 208 ; cuticu- 

 lar colors, 194; distribution of Lep- 

 tinotarsa, 379; folding of wing, 61, 

 *62 ; integument, *74 ; origin of 



