INDEX. 



391 



Water, hard, 232, 432, 629, 626. 



— impurities in, 71. 



— mineral, 76. 



— necessary to plants, 81. 



— New River, 77. 



— phosphoric acid in, 79. 



— pure, 73, 232. 

 -- rain, 71, 74, 230. 



— sea, 71,251. 



— soft, 239, 528, 626. 



— spring, 76, 239. 



— Thames, 77. 



— well, 78. 

 Wax, 511. 

 Weed-ash, 218. 

 Weeds, 39, 802. 



— burning of, 804. 



— putrefaction of, 803. 



— spread of, 805. 

 Wheat grain, 907. 



— straw, 907. 



— starch, 326, 333. 

 Whey, 585. 

 Whiskey, 406. 



White lead, 311. 

 White of egg, 560. 

 Wine, 383. 



— brandy, 397. 



— domestic, 392. 



— fermentation of, 385. 



— fining of, 391. 



— pricked, 393. 



— ripening of, 390. 



Wine, vinegar, 479. 

 Wood ashes, 199,838. 



— spirit, 325. 

 Woody fibre, 319. 

 Wool, 818, 899. 



— dyeing, 542. 



— mill refuse, 816. 



— rags, 819. 



— soap, 816. 

 Wort, 401. 



— foxiness of, 422. 



X. 



Xyloidine, 322. 



Y. 



Yeast, 366,425,441. 



— as manure, 850. 



— artificial, 467. 



— bad, 460. 



— dry, 465. 



Z. 



Zinc, 305. 



— chloride of, 307. 



— oxide of, 306. 



— sulphate of, 306. 



THE END 



