Two herons, Ardea herodias, with their long and slender limbs relieved against the sky, were seen travelling high over our heads,—their lofty and silent flight, as they were wending their way at evening, surely not to alight in any marsh on the earth’s surface, but, perchance, on the other side of our atmosphere, a symbol for the ages to study, whether impressed upon the sky, or sculptured amid the hieroglyphics of Egypt.
