for hours, the whole air being filled with them, and drifts of several inches being accumulated while he watched.
Let us imagine the eye gifted with microscopic power sufficient to enable it to see the molecules which composed these starry crystals; to observe the solid nucleus formed and floating in the air; to see it drawing towards it its allied atoms, and these arranging themselves as if they moved to music, and ended with rendering that music concrete.
Thus do the Alpine winds, like Orpheus, build their walls by harmony.
In some of these frost-flowers the rare and delicate blossom of our wild Mitella diphylla is beautifully figured.
Snow-flakes have been also found in the form of regular hexagons and other plane figures, as well as in cylinders and spheres.
As a general rule, the intenser the cold the more perfect the formation, and the most perfect specimens are Arctic or Alpine in their locality.
In this climate the snow seldom falls when the mercury is much below zero