I – The Experiment–––––––– "I AM GLAD YOU CAME, Clarke; very glad indeed. I was not sure you could spare the time." "I was able to make arrangements for a few days; things are not very lively just now. But have you no misgivings, Raymond? Is it absolutely safe?" The two men were slowly pacing the terrace in front of Dr. Raymond's house. The sun still hung above the western mountain-line, but it shone with a dull red glow that cast no shadows, and all the air was quiet; a sweet breath came from the great wood on the hillside above, and with it, at intervals, the soft murmuring call of the wild doves. Below, in the long lovely valley, the river wound in and out between the lonely hills, and, as the sun hovered and vanished into the west, a faint mist, pure white, began to rise from the hi