Source, preparation, purification, and composition.—Natural gas

CHAPTER LVI.
ALCOHOL.

Fermented and distilled liquors.—Effect on the system.—Affinity for water.—Purity

CHAPTER LVII
OILS, FATS, AND SOAPS.

Sources and kinds of oils and fats.—Saponification.—Manufacture and action of soap.—Glycerin, nitro-glycerin, and dynamite. — Butter and oleomargarine.

CHAPTER LVIII
CARBO-HYDRATES.

Sugars.—Glucose.—Starch.—Cellulose.—Gun-cotton.—Dextrin. —
Zylonite