429 



Sulphates, preparation, properties, and use 

 of :— 

 Sulphate of alumina and potash (alum), 

 163. 



— of aramouia, 100. 



— of baryta, 139. 



— of cadmium, 16". 



— of calcium, 155. 



— of cobalt, 193, 194. 



— of chromium, 188. 



— of copper, 193, 201. 

 — • of iron ferric, 187. 



— ferrous (green vitriol), 169, 171- 



187, -231. 



— of lime, 1.55. 



— of magnesia, 161. 



— of manganese, 192. 



— of nickel, 193. 



— of potash, 117 et seq. 



— of soda, 103. 



— of zinc (white vitriol), 165, 193. 

 Sulphating, oil of vitriol pickling of seed-corn, 



83-8. 

 Sulpliides, preparation, properties, and use 

 of :— 

 Sulphide of ammonia, 42, 99. 



— of calcium, 148-52. 



— of carbon, 30, 41, 42, 54-75. 



in aqueous solution, 74-6. 



in closed spaces, 63-4. 



— ■ in gelatinous capsules, 62. 



— in soapy emulsion, 328. 



— vaselinated, 61. 



— of copper, 199. 



— of iron, 42, 169-70. 



— of potassium, 112-7. 



— of sodium, similar to liver of sulphur, 



which see. 



— of zinc, 164. 

 Sulphite of copper, 201. 



— of lime, 157. 

 Sulphocarbolate of zinc, 167. 

 Sulphocarbonate, 30, 42, 123-9, 132. 



— of barium, 139. 



— of ethyl, 129-30. 



— of potkssium, 30, 42, 123-9, 132. 

 Sulphocarbonatiug, 30, 42. 

 Sulphocyanide of ammonia, 100. 



— of potassium, 100, 137. 

 Sulphosteatite, cupric, 215. 



Sulphur, preparation, properties, and use of, 



12, 42-53, 113, 118, 149, 152, 191, 216, 



.303, .309, 346, 347. 

 Sulphuretted hydrogen (hydric sulphide), 



preparation, properties, and use of, 41-2. 

 Sulphuric acid. See Acid, Sulphuric. 

 Sulphurization of the vine, 82. 

 Superphosphate in blue vitriol pickle for 



seed-corn, 220. 

 Symbiosis, 3, 59. 



Talc (steatite, soapstone), 162, 163, 212, 



215. 

 Tallow, 352. 



Talpa Europea (mole), 77, 381. 

 Tansy rust, 246, 403. 

 Taphrina (Erinoses), 53, 117, 149, 152, 276, 



307, 375, 377, 381, 392. 



Tar, 331, 337. 



— coal, 337. 



— ring of, 16. 



— vegetable, 337. 



— weed-killer, 297-318. 



— wood, 47, 337. 

 Tea, disease of, 53. 

 Tenthredo (saw-fly) : — 



Cherry-tree saw-tiy (Eriocampa cerasi), 380. 

 Grooseberry bush saw-flv, 121, 134, 140, 

 260, 275, 279, 302, 368, 374, 380, 397. 

 Pear-tree saw-tiy (Eriocampa adumbrata), 

 53, 116, 146, 260, 275, 331, 352, 374, 377, 

 380, 392. 

 Rose bush saw-fly (Cladius pectinicornis, 

 Emphytus cinctus, Hylotoma Rosae, 

 Monostegia Rosne), 342, 377, 378, 380, 

 395. 

 Turnip saw-fly (Athalia spiuarum), 380-6. 

 Terpenes, 348. 

 Tetraneura, 305. 

 Tetrauychus Althete, 378. 



— of tea, 53. 



— telarius (red spider), 30, 43, 53, 82, 132, 



152, 306, 333, 343, 347, 351, 367, 375, 

 405. 



Therapeutics, vegetable, 14. 



Thlaspi alpestre, 165. 



Thrips, black, of hothouses (black fly of hot- 

 houses, Thrips haemorrhoidalis), 375. 



— of cereals (Thrips cerealium), 308, 333, 



367, 405. 



— of onion, 357, 375. 

 " Thvmocresol," 359. 

 Thyrnol, 368. 



Tiger beetle of pear-tree (Tiugis Piri, Tingis 



Pyri), 30, 117, 146, 304, 307, 336, 357, 



375. 



Tilletia caries, T. (bunt or stinking smut of 



wheat), 34, 84, 104, 183, 190, 197, 219, 



222, 311, .320, 406. 



— levis (bunt), 34, 84, 104, 183, 190, 197, 



219, 222, 311, 320. 

 Timber. See Drv Rot. 

 Tin crystals, SuCU, 293. 

 llnea grauella (grain mite), 71, 82, 346, 405. 



— of apple-tree, 80, 116, 138. 259-60, 275. 



304, 330, 341, .357, 374, 395. 



— (mites), 70, 275, 30.3-4, 351, 405. 



— of cabbage, 196, 303-4. 



— of flour, 303-4, 405. 



— of grain, 71, 82, .346, 405. 



— of grapes (Grapholitha botrana), 196, 341. 



— of stone fruit trees, 146, 341. 

 Tiueides, 70, 275, 303-4, 351, 405. 



Tingis Piri or Pyri of pear-tree, 30, 117, 146, 



304, 307, 336, 357, 375, 405. 

 Tipula crocata, 69. 



— gnat of kitchen garden (Tipula pratensis), 



69, 108, 137, 187, 405. 



— (meadow gnat), (Tipula oleracea), 69, 108, 



137, 336, 405. 



— melauocera, 69. 



— oleracea, 69, 108, 137, 336, 400. 

 Toads as destroyers of insects, 303. 

 Tobacco preparation, properties, and use as 



insecticide, 129, 145, 147, 313, 314, 329. 

 331, 3.32, 347, 357, 362, 363, 371-5. 



— juice, carbolated, 260. 

 Toluene, 337. 



