solving the great problem of life and being, moving upward from the lower to the higher, is not confined in its operations to only form or species of being, but applies to and operates upon all, whether rational or irrational, animate or inanimate, and pushes all forward and upward with perfect and precise equability and in exact and equally proportional degree, none advancing more rapidly than the rest and none lagging behind. Thus, you perceive the infinite order and the beautiful symmetry of the great law of evolution and progression. Herein is necessitated varied changes in the value and character of vocation and employments, suited to the continued mutations of things in the endless series of progressive changes. "At one period in the history of Mars the art of photography was discovered. Of course it attracted great attention and challenged admiration. It was regarded not only as wonderful but marvelous. The discoverer was almost deified, for he was thought to be endowed with something of the divine nature not discoverable in others, until the art advanced step by step, improvement on improvement, when the divinity with which the discoverer had been invested by the admiring multitudes dwindled into insignificance, and the very sensible conclusion reached that he was merely highly gifted and spiritually inspired, but altogether human still. Compare the primitive system of photography, limited as it was, to objects of immediate presence to that now existing, whereby worlds and systems of worlds are made tributary to its discoveries and achievements. Now, instead of the wonders of the art inspiring hero worship of the men engaged in its studies and who produce the wondrous results, a feeling of awe and veneration for the continually increasing wonders of the creation is inspired. The admiration is justly transferred from man to the creator and the stupendous majesty of his laws and works. On Mars photography is now and has been for a long time a favorite and delightful employment pursued by the many, for all have the advantages of it. Therefore the study, not only of their own world, but numerous others, constitutes a pleasant, instructive, and intellectually remunerative employment. Nor is this confined and limited to material worlds, but reaches out and embraces the spiritual spheres of each. "Again, take the science of chemistry. It once only dealt with material solids, but now on Mars it has reached a higher plane or sphere, and the sublimated substances, still possessed of modified degrees of matter, likewise atmospheric and spiritual substances, come within the purview and yield obedience to its powerful processes of analysis. This is still and ever will be an instructive and profitable field for those aspiring minds of the Marsians bent on the acquisition of knowledge and the understanding of the infinitely varied and universal laws by which all nature and the universe are governed and controlled.