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amoeba, had a desire for food. Impelled by this desire it floated here and there until it came in contact with the object of its desires when it folded itself about that object, absorbed that which it could assimilate and released the balance. As time went on its desire grew stronger and stronger, and its need for more varied food greater, so that instead of letting its prey go quickly it held on to it, so as to extract, if possible, still more sustenance. This resulted finally in a settled contractile effort which converted the flat surface of the amoeba into a tube-like formation, the first nucleus of a stomach.

But this little stomach could not digest all that it stowed away and would probably have had a severe touch of indigestion had it not in time gotten rid of that portion of its food which could not possibly be assimilated, therefore ducts or channels were formed for liquid and solid matter to pass out of the little organism which no longer needed them. These ducts were primitive bowels and kidneys. To supply other needs, eyes, ears, heart, lungs and other organs were formed.

These organs owe their origin and growth to conscious action on the part of the individual projecting them. No matter how low the form of life, if it has any knowledge of external objects