1apples.gif             Type fn+fn function=log,sin
1birds00.gif            Type fn+fn function=log,sin
1birds01.gif            Birds flying under clouds and over lakes 
1birds02.gif            Type fn+fn function=log,sin
1birds03.gif            Type fn+fn function=log,sin
1birds04.gif            Type fn+fn function=log,sin
1bridges.gif            Bridges 
1rolldup.gif            Type fn+fn function=log,sin
1snail.gif              Type fn+fn function=log,sin
1spirals.gif            Type fn+fn function=log,sin
1throats.gif            Type fn+fn function=log,sin