* Containing 4.05 grains of solid matter to the gallon, or about one 18,000 part.

pipes have been highly recommended by our first chemists, and other men of science, as furnishing an effectual safeguard against the corroding effects of pure water

This highly ingenious process, strengthens the pipe, without diminishing its elasticity, and although some small portions of the lead should escape being coated, yet the proximity of the tin, will, from galvanic action, probably prevent oxidization of

the lead. As these pipes are furnished at about eight cents per pound, the usual price of ordinary lead-pipe, there can be no doubt that they will be generally adopted by our citizens, -- as they have been, already, by the Corporation, in the conveyance of the Croton water, into the public buildings. Use of Water as Aliment. Water is the beverage provided by nature for all animated beings. It is a vital stimulus, or one of the external conditions essential for

the manifestations of life. Consequently, without it, life, at least in the higher order of animals, could not be maintained. Considered in a dietetical point of view, water serves three important purposes in the animal economy ; namely, it repairs the loss of the aqueous part of the blood, caused by the action of the secreting and exhaling organs ; secondly, it is a solvent of various alimentary substances, and therefore assists the stomach in the act of digestion, though, if taken in very large quantities, it may have an opposite effect, by diluting the gastric juice ; thirdly, it is a nutritive agent, that is, it assists in the