485 



Soft brown scale, 436. 

 Soft scale insects, identity and syn- 

 onymy of, 428-448. 

 Solanum rostratum, 235. 

 Solidago, 289, 354. 

 Snow, F. H., 83. 

 Snowball, 56. 



Snowy tree cricket, 125, 126. 

 South African ticks, 252. 

 Sparrow hawk, 254. 

 Sphenophorus obscurus, 221. 

 Spinose ear tick, 252. 

 Spiraea, 287, 293, 434. 

 Spilochalcis, 459. 



Spilocryptus, 454, 456, 457, 458, 459. 

 Spirillosis, 320. 

 Sponge, sweetened, 180. 

 Spotted fever, 255. 



tick, 255. 

 Spring grain aphis or green bug, 210, 



306. 

 Spruce, 353, 354, 385, 467. 

 Spruce gall louse, 307. 

 Stable fly, 266, 267, 268, 305, 320. 

 Stalk borer, 210. 

 Steen, J. W., 262. 

 Stegomyia calopus, 266. 

 Stiles, J. C, 362. 

 Stomoxys, 266, 305. 

 Storage products, 216. 

 Straw, 152. 

 Strawberry, 202, 211, 250, 284, 393. 



root worm, 211. 



weevil, 202. 



wild, 393. 

 Striped cucumber beetle, 209. 

 Strychnine, 280. 

 Sturnella magna neglecta, 252. 

 Sugar, 183, 329, 330, 331. 

 Sugar beets, 56, 354. 

 Sugar cane, 45. 

 Sulfur, 209, 317. 

 Sulfur dioxide, 168. 



lime wash, 78, 128. 



and slaked lime, 209. 

 Sumac, 56, 393. 

 Summers, H. E., 127-129. 

 Sunflower, 288, 393. 

 Sweet clover, 153. 

 Swenk, M. H., 332-36. 

 Sycamore, 434. 



Symons, T. B., 169-173, 248-251. 

 Syringa, 56. 

 Syrphidae, 306. 

 Syrphus larvae, 219. 

 Syrup, 183, 330. 



Temperature, 216, 224. 

 Tenebrio, 227. 

 Tent caterpillars, 450. 

 Terrapin bugs, 113. 

 Terrapin scale, 192, 446. 

 Tessellated scale, 435. 

 Testudo polyphemus, 254. 

 Tetraneura ulmicola, 353. 

 Tetranychus gloveri, 209. 

 Tetrastichus, 278, 279. 

 Texas fever, 265, 266, 320. 



tick, 266, 319, 320. 

 Texas fly, 268. 

 Theobald, F. V., 261. 

 Theronia atlantse, 455. 



fulvescens, 455. 

 Thistle, 393. 

 Thorn, 354. 

 Thorn apple, 56. 

 Thrush, 254. 



Thyridopteryx ephemersformis, 236. 

 Ticks, 64, 252, 253, 256, 257, 403, 404, 

 426. 



host relations of, 251-257. 

 Tick-bourne diseases, 256. 

 Tilia americana, 434. 

 Timber worms, 53. 

 Timothy, 233. 

 Titus, E. G., 148-153. 

 Tobacco, 174, 202, 203, 208, 216. 

 Tomatoes, 166. 

 Toumeyella liriodendri, 447. 

 Toxoptera, 212. 



graminum, 210, 212. 

 Tree crickets and injury to apple 



wood, 124-127. 

 Tree tanglefoot, 58, 179. 

 Trichocephalus, 43. 

 Trichogramma, 399. 

 Triticum vulgare, 233. 

 Trombidium, 342. 

 Tropical horse tick, 252. 

 Trypanosomiasis, 266. 

 Tsetse fly, 266, 320. 

 Tuberculosis, 45, 266. 

 Tucker, E. S., 373-381. 

 Tulip soft scale, 447. 

 Turnips, 209. 

 Tussock moth, 363. 

 Typha or cat-tail, 237. 

 Typhoid bacilli, 40, 41, 42. 

 Typhoid fever, 40, 41. 42, 44, 45, 168, 



266, 315. 

 Typhlocyba bifasciata, 79. 



ros£e, 79. 

 Tyroglyphus breviceps, 377. 



Tachina fly eggs, 399. 



Tachinid flies, 453, 457, 458. 



Taenia, 43. 



Tar, 179. 



Taylor, E. P., 154-159, 237-239, 260. 



Ulmus campestris, 356, 357. 

 Umbrella tree, 207. 



Van Duzee, E. P., 79. 

 Vanessa antiopa, 227. 



