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Show "Chameleon Lahes" I It Is well kn n that the waier of ; many lakes exhibits eharaetci ism ' colors. I.ake Geneva, at the western end of Switzerland. Is blue, while i Lake Constance, at the eastern end j of that country. Is green. Hhicnt-us j implies purity, since the natural color ; of water Is hlue. A green lake has j Its water slightly clouded with imnur ' ities. ! It Is said that green lakes some- ! times become absolutely colorless for j a time, nnd It has l.een foun I that : this sudden change of hue is due to the washing into the lakes of mud j colored nil by oxide of iron. Red ih complementary to green, and tie re- j suit of the mlMiire is that the greeD : co!:r Of lite MMer l.econjes f.jj the ' time bcicg rent r.i t '7ed. : |