The Express.
London, England, 1846-10-01 00:00:00

Now reedy. New Edition rertaedand enlarged, cloth es. Bd.
RURAL CHEMISTRY: ea Elementary Introduc-
tion to the Study of the Science in its Relation to Agriculture.
By Enw %RD SOMA', F.A.S., F.L-S., P. 0.!., lion. Member of the Royal
Agricultural Society, ENCLInd.-Ccernle;m: -
Chapter 1.-Objects of chemistry-Aflivrty- Nature of Combination
and deoomposition-The elenients-The ae, its properties and con 3 -
position -Oxygen and nitrogen-Combust:kn, results of combustion-
Chthonic aryl gas-Water, he, and steam-EffLeta of frost-Latent
heat-Composition of water -I irthogen.
Chapter IL-Carbon, its different forms-Cohesion-Combustion
and decay-Carbonic acid gas, produced by respiration, combustion,
fermentation, Re.-Nature of acids and salts-Oirbuntted hydrogen,
firs damps, cad gas--Compounds all definite-'mrobining weights-
Carbonic oxides-Nitrogen combined with hydroern forms ammonia
-Nitric acid-Nitrates-Sulphur, sui humus wills-Sulphuric acid,
sulphates-Sulphuretted hydrogen , mitotic acid-lodine,
Bromine-Phosphorus, phosphoric acid.
Chapter I I 1.-Hoscs-Alkalies-Potash, its proptrtica-Carbonate
and nitrate of potash, gunpowder-Soda, common eat,-sulphate, car-
bonate and nitrate of soda -Ammonia, its carbonate, sulphate, mu-
elate, and phosphate-The alkaline earths-Lime, its Odure and pro-
pertica-Corhonate, sulphate, and phosphate of lime-Magnesia, its
carbonate, sulphate, muriate, and phosphate.
Chapter IV.-lhe eartha -Alumina, its properties-Alum, Silica, or
Chic acid-Silicates of potash and soda - Ghee-Silicates in the soil,
in plants-The mebils, their oxides and salts-Iron, Ito oxides-Pyrites
-sulphate of Iron, or green vitriol--Gold -Silver -Mercury-COpper
-Zinc -Tin -Manganese -Lead -Metallic alloys.
Chapter V.-Organic matter-Vegetable sutstances-Lipin, or
woody fibre-Starch, varieties of starch-Gum, soluble and insoluble
agar-Cane, and grape sugar-Gluten, albumen, marine, leguraine,
fibrin, gliedinc-Chemicul changes-Fermentation-Spirit of wine-
Vegetable acids-Vinegar, citric, tartaric, malic and oxalic aciam -
Oils, resins, gum resins, and colouring mattes-Inorganic canstL
tuents of plants-Animal substances-Albumen--Fibrin-Blood, and
muscle-Caseine, milk, and cheese-Gelatine-Fat-Bones, teeth,
barn, U.-Protein, food of animals-Digestion-Respiration-Circa.
laden of the blood-trine.
Chapter Vi.-Tbe food of plants-Substances derived from the
air-Somess °Oxygen, hydrogen, nitrogen, and carbon--Substances
derived from the soil-Sourecs of earthy substances-Composition of
soils, their formation-Decomposition of silicates-Mechanical struc-
ture of ,Wile-The saline constituents of soils-Organic matters in
soils, humus, Mimic arid, their use in sold-Germination, malting-
Moisture, air, and warmth-Influence of light-015os of the leaves-
Roots-Formation of organic matter-Flowers, fruit, seeds-Organic,
and organised matter-Vitality of embryo-Nature of seeds-Earthy
substances in plants-Effects of climate-.tenon of plants on the air.
Chapter VII.-Deterioration of soils, lb mine-Modes of maintain-
ing the fertility of the soil-Theory of fallowing-Rotation of crops-
Subsoil ploughing-Draining-Manure-Organic manure- Animal
manure; contains nitrogen-Results of putrefaction--Snlpharetted
hydrogen-Loss of manure-Liquid mannre-Animal excrements,
guano- Modes of affixing ammonia, by acids, by um, &c.-Strong
manures-Wool, rags, oils-Bones-Su ate of lime-Vege-
table manures-Sawdust, seaweed- reen manures -Irrigation--
inorganic manures-Lime, chalk, marl, shell, sand-Gypsien-Pbos-
photo of lime-Ashes-Burnt clay-Soot, chareaal--Gas liquor -
Potash -Alkaline salts-Nitrates, common salt-Halt and lime.
Chapter VI IL-Oimposition of particular crops Composition of
Wheat-Barley-Oats-Rye- Maize- Rim- Bitclneheat- Linseed-
! Is nip-seed -Minns- Peas -Lentil -Vetches-- Potatoes-
Bitatas, Jerusalem Artichoke-Oxalis-Cabbage-Turnips-Sweet
rota to --Carrot -Parsnip -Clover -to rem - S intfoin. Composition
of particular manures -Cos's urine -Horse (luny-rtes v nag
1111111311 PUTVIIteIe-Crime or tivo -Cows-Tiomm-- Prts-
Farnwartl dung--Guano--Wood asaes-Lixirtated ashes-Peat ashes
-Help.
Published at the (Mee of Tn r Ciaaticsraue Caws-tar, awn
Acisitta.TOZSL Clutinr," ci, Upper Wellingtoostrett, offeatluden.