GUANO

valuable fertilizing manure, consisting chiefly of the excrement of sea-birds that feed on fish. Deposits to a depth of 60 ft. have been found off the coast of Peru, Bolivia, and Chile. A good: substitute has been found in fish g., obtained by grinding to powder the heads and bones of cod and herring. The chief constituents of g. are phosphoric acid and nitrogen (ammonia). seaport town, Bermudez State, Venezuela, S. America; exports coffee, sugar.