582 



PERIPATUS MYRIAPODA INSECTA 



Spiders eaten, 464, 465 



Spinneret, 458 



Spinners, 441 



Spiracles, 89, 111, 128 ; number of, 186 ; 



of dragon-fly nymph, 423 : absent, 436 



see also Stigmata 

 Spiral fibre, 128 



Spongilla Jluviatilis, larva in, 467 

 Spontaneous generation, 525 

 Spring of Collembola, 191 

 Spurs, 104 

 Stadium, 155, 158 

 Stalked, cocoons, 560 ; eggs, 469 

 St. Augustine quoted, 85, 565 

 Stein on Raphidia larva, 448 

 Stelis, parasitic, 544 ; parasitised, 543 

 Stem sawflies, 504 

 Stenobothrus, 308 ; sound - instruments, 



284 

 Steuodictyopterides, 344- 

 Stenopelmatides, 321, 3"29 

 Stenophasmus rvficeps, 561 

 Stenophylla cornigera, 257, 258 

 Stephanidae, 561 

 Stephanus, 562 

 Sternum, 91, 100 

 St. Helena, 389 

 Stick-Insects, 260 

 Stigma of wing, 524, 534 

 Stigmata, 88, 89, 111, 204 ; position, 493 ; 



on head, 193 ; S. repugnatoria, 36 see 



also Spiracles 

 Sting, 493 ; and ovipositor, 534 

 Stink-flies, 469 



Stink-glands, 31, 125, 210, 264, 335 

 Stipes, 95 



Stoll on spectres, etc., 254 

 Stomach, 114, 124, 125 

 Stomato-gastric nerves, 120, 121 

 Stomodaeum, 123, 151 

 Stone-flies, 407 



Stratiom.ys sirigosa parasite, 545 

 Stridulation, 304 see also Phonation 

 Stummer- Traunfels on Thysanura and 



Collembola, 189 

 St. Vincent, island of, 461 

 Styles, 224, 238 



Stylopyga orientalis, 223, 228, 231, 236 

 Sub-imago, 429, 437 

 Sub-Order, 177 

 Subulicornia, 4^6 

 Sucking spears, 466, 467, 470, 471 

 Suctorial mandibles, 453, 456 

 Super- Orders, 177 



Supplementary Ichneumon-flies, 558 

 Supra-oesophageal ganglion, 117 

 Sutures, 92 

 Swarms: of locusts, 292-299 ; of may-flies, 



441 ; of Termites, 362 

 Sympathetic nervous system, 120 ; absent, 



353 

 Symphrasis varia, 465 



Symphyla, 42, 4, 77, 79, 80 ; structui 



61 

 Symphyta, 503 

 Sympycna fusca, 415 

 Synaptera, 175 

 Synergus, 531 

 Syngnatha, 44 



TananX, 319 



Tarachodes lucuhrans, 249 



Tarsus, 88, 104, 106 



Taschenberg on parthenogenesis, 141 



Tausendflisse, 41 



Teeth, 95 



Tegmina, 108 ; leaf-like, of Pterochrok 



322 ; of crickets, 331 ; of earwigs, 201 



212 ; of Phyllium, 269 ; of Schizodc 



tylus, 325 

 Tegula, 103, 108 

 Teleganodes, 442 

 Telson, 205 

 Temples, 94 



Templeton on Lepisma, 195 

 Tendons, 116 

 Tenthredinidae, 5^(9-518 

 Tenthredo sp., 489 ; testes, 140 

 Tentorium, 99 



Tepper on fossorial Blattid, 241 

 Terebrantia, 5W 

 Tergum, 91, 100 

 Termes, 378, 380 ; T. lucifugus, 359, 360, 



364, 365, 373, 374 ; T. mossavibicus, 356 ; 



T. bellicosus, 366, 371 ; trophi, 357 ; cell 



of, 367 ; T. Occident is, 371 ; T. armigei; 



371 ; T. tenuis, 389 ; T. cingulatus, 371 ; 



T. dims, 371 ; T.debilis, 371 ; T. vianim, 



383 

 Termitarium, 386, 387 

 Termites, 357 f . ; distinctions from ants, 



502 ; wings, 359 ; anatomy, 360 

 Termitidae, 356 ; number of species, 



389 

 Tertiary, 196, 216, 239, 276, 309, 340, 



398, 427, 442, 449, 453, 472, 485, 533, 



551, 558 

 Testes, 18, 49, 140, 404, 440 ; of Psocidae, 



392 ; of Stilopyga orientalis, 228 

 Tetrophthalmus chilensis, 346 

 Tettigides, 299, 300, 309 

 Tettix bipunctatus, 300 

 Thalessa larva, 507 ; oviposition, 554 

 Thamastes, 485 

 Thamnotrizon apterus, 316 

 Thecla egg, 145 

 Thelyotoky, 141, 498 

 Thermobia furnoriim, 186 

 ThZiboscelus camellifoU^is, 319 

 Thoracantlia latreillei, 550 

 Thorax, 99-103, 101, 103 

 Thorax porcellana wing, 227 

 Thyrsop)horus, 395 

 Thysanoptera, 173 



