These cells, composing the mass of the body, being very delicate, are easily acted upon by substances coming into contact with them. If substances other than natural foods or drinks are introduced into the body, the cells are injuriously affected. Alcohol is especially injurious to cells, "retarding the changes in their interior, hindering their appropriation of food, and elimination of waste matters, and therefore preventing their proper development and growth." "Bioplasm is living matter; it is structureless, semi-fluid, transparent and colorless. It is the only matter that can grow, move, divide itself and multiply, the only matter that can take up pabulum (food) and convert it into its own substance; and is the only matter that can be nourished. The bioplasm in the cell gets its nourishment by drawing in of the pabulum through the cell wall, and in that way building up the formed material while it is being disintegrated on the outer surface. This process is continually being carried on, and is what is meant by nutrition. Disintegration of the formed material is as essential as the building up of it. All organic structure is the result of change taking place in bioplasm. These small cell-like bioplasts are the workmen of the organism. All wounds are repaired by them, all fractures are united, and all diseased tissues brought back to their normal and healthy condition, unless there is not vitality enough to overcome disease, or they have been injured or killed by poisonous material. The body is kept in repair by this living matter, and all the functions of the body are but the result of its action. We may examine, watch and study bioplasm under the microscope; we see it take up pabulum and convert that which is adapted to itself into its own substance, while all other substances are rejected. We take a solution of what we call a stimulant and immerse the bioplasm in it, and we find that it increases its activity, moves faster, takes up more pabulum, and divides more rapidly than in the unstimulated condition. We next add an astringent, and it begins to move more slowly, and soon contracts into a spherical shape and remains contracted, or may move slowly to a limited extent, depending on the strength of the solution. We next take a relaxant, and gradually the living matter begins to spread in all directions, in a laxy-like manner, and becomes so thin as to be almost undiscernible, and takes up very little, if any, pabulum. If sufficiently relaxed or astringed, the movements may entirely cease so as to appear lifeless, but when a stimulant is again added the same result is obtained as before--it begins to move, and acts as vigorous as ever, which shows that it was not injured in the least by the agents used. Alcohol is called a stimulant. We take a weak solution of alcohol and try it in the