388 



INDEX. 



Pyrites, 283. 



— copper, 302. 

 Pyroligneous acid, 325, 4S 

 Pyrolignites, 489. 

 Pyroxylic spirit, 325, 538. 



Q. 



Quartz, 258. 



Quaternary compounds, 316. 

 QuickJime, 7, 233. 

 Quicksilver, 298. 



R. 



Rain-water, 71, 74, 230. 

 Raisins, 382. 

 Rape-seed, 938. 

 — vine, 482. 

 Red cabbage, 114. 



— lead, 310. 



Refuse of gas-works, 885. 

 Rennet, 584. 

 Resins, 532. 

 Respiration, 107, G06. 

 Results of combustion, 32, 40, 94, 

 — putrefaction, 380, 767. 



Rhubarb, 503. 

 Rice, 329. 



Ripening of fruit, 718. 

 River mud, 867. 



— water, 77. 

 Road drift, 865. 

 Rock salt, 215. 

 Rocket, 938. 



Rocks, disintegration of, 649, 750. 



Roman vitriol, 304. 



Roots, 705, 729. 



Rotation of crops, 753. 



Ruby, 254. 



Rum, 409. 



Rushes, Dutch, 550. 



Rust of iron, 279. 



Rye, 330, 922. 



— stxaw, 925. 



S. 



Saccharine matter, 339. 

 Safety-lamp, 99. 



Sago, 331. 

 Saintfoin, 982. 

 Sal-ammoniac, 156. 

 Stiline compounds, 110. 



— draughts, 14. 



— manures, 890. 

 Salt, 215, 893. 



— and lime, 897. 



— bay, 215. 



Salt, common, 189, 215, 581, 631, 

 895. 



— in sea water, 215. 



— rock, 215. 



— spirit of, 188. 



— sea, 215, 252. 



— solution of, in water, 30. 

 Saltpetre, 206. 



Salts, 110. 



— double, 111. 



— Epsomj 250. 

 -^ Glauber's, 224. 



— of hartshorn, 154. 



— iron, 289. 



— lemons, 505. 



— magnesia, 250. 



— potash, 214. 



— soda, 223. 



— sorrel, 505. 



— the metals, 270. 



— sub-, 111. 



— super- or bi-, 111. 

 Sand, 262. 



Sapphire, 254. 



Sawdust, 847. 



Schiedam, 407. 



Sea-fowl, excrements of, 610, 789. 



Sea-water, 71. 



Sea-weed, 218, 853. 



Seeds, 347. 



— formation of, 712, 735. 



— germination of, 682. 



— steeping, 696. 

 Seidlitz powders, 14, 

 Selection by roots of plants, 733. 

 Semolina, 333. 



Shell sand, 871. 

 Shells, 875. 

 Silex, 258. 

 Silica, 258. 



— in plants, 266, 548. 



— in soil, use of, 265, 652. 

 Silicate of alumina, 267. 



