early indication of satisfaction and an extensive bathymetrical survey off the side- bands. The result has been given nearly 100,000 work- people. The chief exports are also a result of the cyanide preserved (Chem. Met. Eeng., 22, 265; Can. Chem. and Met., 6, 129). By suitable treatment numerous organic compounds (urea, dicyandiamide, guanidine, etc.)