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sunk in the loose earth ls, as shown by the above, somewhat uncertain. It may be ob served that most or all of the tube wells examined yield water of a quality between that of pure, soft water, like Croton, and that of the hard nauseous fluid from the surface wells. California Want. and onr Mannfactnre •• We hltve received quite an interesting letter from one of our correipondents-Mr. A. Doo little, of Alpha, CaL-in which he complain. of the depreciation in the character of many of ourdoi:10.1038/scientificamerican05091857-278a fatcat:yl7fz57nufgide6lmdftiohqra