genii who inhabit them suspended their deeds until the wayfarer had passed onward; a thought which poetry has celebrated in the dance of the fairies, which breaks off on the approach of human feet. The man who has seen the rising moon break out of the clouds at midnight, has been present like an archangel at the creation of light and of the world. I remember one summer day in the fields my companion pointed out to me a broad cloud, which might extend a quarter of a mile parallel to the horizon, quite accurately in the form of a cherub as painted over churches, — a round block in the centre, which it was easy to animate with eyes and mouth, supported on either side by wide-stretched symmetrical wings.

What appears once in the atmosphere may appear often, and it was undoubtedly the archetype of that familiar ornament.