Perhaps the most recondite subject connected with the healing art divine is, the modus operandi of medicinal action, upon the human body. A subject so simple and self-evident to the Alchemist, remains a profound mystery to the educated physician of the medical college; so much so that, we are tempted to ask of them: "Can you explain the modus operandi of drugs?" Dr. William Sharp, one of the most advanced physicians of the Homeopathic school, in one of his well- known "Essays on Medicine," says: "In respect to the manner of action of drugs we are in total darkness, and we are so blind that the darkness is not felt. KNOWLEDGE OF THIS KIND CANNOT BE ATTAINED; it is labor lost and TIME wasted to go in search of it. True, hypotheses may be easily conceived; so may straws be gathered from the surface of the stream. But what are either of them worth? There is this difference between them--straws may amuse children, and hypotheses are sure to mislead physicians." It is when the Occult Initiate observes to what helpless conditions the practice of medicine has fallen, that, he would, if be could with any possibility of success, implore the angelic guardian of the human race to open the spiritual sight of men, that they might see, as he sees, the Divine relationship, and spiritual correspondence, of everything in the wide universe to man. Nature's laws move slowly and imperceptibly, yet surely and exact, and the time will certainly come when man will be forced into consciousness of these laws, whether he will or no. Nature is no respecter of persons, and those who will not move and progress, in harmony with her laws of advancement, must, of necessity, pass out with the old. Alchemy, as it relates to the healing art, is the most noble in its object and beneficial in its effects, of all the many subdivisions of the sciences, because, it alleviates the pains and morbid afflictions of suffering humanity. We have given quite sufficient of its astrological aspect in the second part of "The Light of Egypt," Vol. I, wherein the four ancient elements are translated into their chemical correspondences of oxygen, hydrogen, nitrogen and carbon, which still constitute the four primary elements of the most advanced chemistry to-day. They enter more or less into every organic form and substance, which is known, in various combinations and proportions. The human organism is principally composed of them; so, likewise, is the food that supports physical life, and the air we breathe is but modifications of the same atoms. As man's constitution embraces a microscopic atom of all the essences and elements, corresponding to the whole; so does the air; and much, that we depend upon our food to supply, can be extracted from the atmosphere by breathing. Every breath we breathe is new life, or death.