He sat on as the sun's rays came slowly down through the...

He sat on as the sun's rays came slowly down through the trees, lower and lower, and when the lowest reached a branch not far above him it caught a dewdrop poised upon a leaf. The drop instantly blazed crimson, and a slight movement of his head made it show all the colours of the spectrum with extraordinary purity, from a red almost too deep to be seen through all the others to the ultimate violet and back again.