The epitaph commemorative of the Spartan valor that has made Thermopylae a name forever, serves to show the conclusion of our whole discussion: 'Go, stranger, and at Lacedaemon tell, That here, obedient to her laws, we fell.' For the man who is loyal to his flag will not quarrel with the color of a comrade in arms who has shed blood, red like his own, in defending that flag from dishonor; just as the man who is loyal to the altar feels a fellowship for every one, however humble, who bears the name of their common Master, and is made in the image of their common Father. FOOTNOTES: [D] Late Southern newspapers speak of the obstinacy of the garrison at Fort Pillow, and assert that Forrest would have stopped the massacre at any time after the capture, if our soldiers had manifested any disposition to yield. [E] The writer's father saw these skulls hanging in the cars on a railway in Georgia, after first Bull Run, and saw them handed through the cars amid the jeers of passengers. COLORS AND THEIR MEANING. In order to a due understanding of the signification of colors, it is necessary we should commence at the foundation. Accordingly I shall begin by saying that colors are primary, secondary, and tertiary. Primary colors are three: red, yellow, and blue. RED is the color of greatest heat. YELLOW is the color of greatest light. BLUE is the color of chemical change. In accordance with this philosophical truth, we should naturally expect to find a preponderance of blue rays from the sun in the spring time, and so it is. These rays preponderate at the time of ploughing, sowing, and germination. In the summer time, after the plant has started from the ground, and requires vigorous leaves to bring it to perfection ere the cold winter rolls around once more, we have the yellow rays. 'Light, more light,' is then the cry of nature, and as not even length of days affords this element in sufficient completeness, the sun darts his brightest beams in 'the leafy month of June.' Later still in the year, after germination is past and growth perfected, comes the necessity of heat rays to ripen fruit, vegetables, and grain, and nature's behests are obeyed in the then preponderance of the red rays. Much of this effect may be due to the _media_ through which the sun's rays pass. A sensitized photographic paper is not colored as much at an altitude of three miles in half an hour as is a similar paper upon the earth's surface in one moment. At any season of the year, gardeners can either stimulate or retard germination as they place a blue or yellow glass over the nursling. That the growth of plants is not due alone to the rays of the sun we can, without experiment, convince ourselves, as even ordinary observers are well aware that upon some days plants shoot up so rapidly as to grow almost visibly under their eyes, and in other conditions of the atmosphere seemingly remain dormant for days.