The U.S. dollar was mixed against other currencies in European trading Monday morning. Gold fell. The euro traded at US$1.5578, up from US$1.5548 late Friday in New York. Other dollar rates: _108.03 Japanese yen, up from 107.68 _1.0482 Swiss francs, down from 1.0508 _1.0300 Canadian dollars, up from 1.0271 The British pound was quoted at US$1.9682, down from US$1.9739. Gold traded in London at US$909.50 per troy ounce, down from US$912.50 late Friday.