It is thus that the snow crystal grows and matures, owing its crystalline formation entirely to the constant tossing and warring with the mighty forces of the storm, and the buffeting which it encounters upon its long journey earthwards.

70. Local storm crystal

71. Freak trigonal crystal

72. Elaborately etched

“When e’er a snowflake leaves the sky

It turns and turns, to say good-bye.

Good-bye, dear clouds, so cool and gray,