Shipley, 34 Sibine, 46 Silvius, 294 Simple carriers, 4, 144 Simuliidæ, 33, 104 Simulium, 247, 249, 286, 321 pictipes, 104 Siphonaptera, 119, 274, 316 Siphunculata, 80, 275 Sitotroga cerealella, 69 Skippers, 137 Sleeping sickness, 166, 215 Snipe-flies, 112 Solpugida, 22 Spanish fly, 54 Spermatozoa, 192 Spinose ear-tick, 65 Spirochæta, 35 berberi, 234 duttoni, 234 Spirochætosis, 235 Sporozoite, 189 Spotted fever, 67, 226 Squirrel flea, 123 Stable-fly, 137, 160, 163, 165 Stegomyia, 182, 293 calopus, 206 fasciata, 206 Stomoxys, 137, 305 calcitrans, 117, 146, 160, 161, 165, 242 Straw-worm, 69 Stygeromyia, 305 Sucking stomach, 35 Sulphur ointment, 77 Surra, 165 Symbiosis, 57 Symphoromyia, 112, 295 Tabanidæ, 110 Tabanus, 110, 166, 294 striatus, 165 Taenia, 175 Tapeworm, 4, 176 Tarantella, 8 Tarantism, 8 Tarantula, 10 Tarsonemidæ, 69 Tarsonemus, 267 Tenebrionid beetles, 127 Tersesthes, 110, 288 Tetanus, 129 Tetranychus, 273 Texas fever, 220-223 Three-day fever, 96 Tick, 23, 226 bites, Treatment of, 68 fever, 230 paralysis, 67 Treatment, Bee stings, 36, 41 Bites of, Bed-bugs, 90, 93 Blackflies, 107 Buffalo flies, 107 Bugs, 31, 33 Centipedes, 26, 27 Chiggers, 127 Chigoes, 127 Fleas, 127 Harvest mites, 61 Jiggers, 129 Lice, 83, 85 Mosquitoes, 34, 36, 102 Phlebotomus flies, 97 Sand flies, 96, 107, 109 Scorpions, 22, 23 Spiders, 19 Ticks, 61, 68, 72 Ticks, ear, 65 Blister beetle poison, 55 Brown-tail moth rash, 45 Cantharidin poison, 55 Caterpillar rash, 45 Ear ticks, 65 House fly control, 156, 160 Itch, 77 Itch, grocer's, 72 Lice, 85 Nasal myasis, 143 Rocky Mt. spotted fever, 228, 229 Rash, caterpillar, 45 Scabies, 77 Sleeping sickness control, 218 Spotted fever, 228, 229 Stings, bee, 36, 41 Typhus fever, prophylaxis, 239 Trichodectes canis, 176 Trichoma, 82 Trineura, 295 Trochosa singoriensis, 11 Trombidium, 60, 273 True insects, 80 Trypanosoma, 35 Trypanosoma, brucei, 165 Trypanosoma cruzi, 219 Trypanosoma lewisi, 213 Trypanosomiases, 212 Trypanosomiasis, 165, 219 Tsetse flies, 117, 166, 214, 219 Tsetse flies disease, 165 Tuberculosis, 155 Tumbu-fly, 118 Tydeus, 271 Typhoid, 155 Typhoid fever, 154 Typhus, 237 Typhus fever, 237 Tyroglyphus, 72, 131, 268 Dr. Tyzzer, 49 Uranotænia, 292 Vancoho, 14 Varicose groin glands, 178 Verruga peruviana, 253 Vescicating insects, 54 Wanzenspritze, 29 Warble-flies, 112 Wasps, 43 Whip-scorpions, 19 Wohlfahrtia, 143, 302 Wolf-spiders, 10 Wyeomyia smithii, 101, 293 Xenopsylla, 172, 317 Xenopsylla cheopis, 171, 124 Xestopsylla, 317 Yaws, 2 Yellow fever, 196, 203, 205 TRANSCRIBER'S NOTES The following discrepancies in the text are as in the original: