It may be prepared in the amorphous form by heating cobalt with sulphur dioxide, in a sealed tube, at 200° C. In the hydrated condition it is formed by the action of alkaline sulphides on cobaltous salts, or by precipitating cobalt acetate with sulphuretted hydrogen (in the absence of free acetic acid).
Podophyllin is a resinous powder obtained by precipitating an alcoholic tincture of the rhizome by means of water acidulated with hydrochloric acid.
The conduct of Spain toward Santo Domingo and of France toward Mexico, and the alleged attitude of England and Russia toward the seceded states were to be the grounds for precipitating this gigantic conflict; and agents were to be sent into Canada, Mexico and Central America to arouse a spirit of hostility to European intervention.
Here it must suffice to say that the uncertainty caused by his policy in 1813-1814 had no small share in embarrassing Napoleon and in precipitating the downfall of his power in Italy.
Except such as are of coral formation, the Antilles are hilly, not to say mountainous, their summits rising in places to an elevation of 8000 ft., and nearly all, prior to their occupation by Europeans, were covered with luxuriant forest, which, assisting in the collection and condensation of the clouds brought by the trade winds, ensured its own vitality by precipitating frequent and long-continued rains; upon the fertile soil.
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