first and perfect the working capacity of the apparatus by placing it in a position contrary to its original design for occupying and developing even that which is connected with the liberation of pain. We learn from neuropsychology that an important part in the functional activity of the apparatus is attributed to such regulations through the qualitative excitation of the sensory organs. The automatic control of the primary principle of pain and the restriction of mental capacity connected with it are broken by the sensible regulations, which in their turn are again automatisms.

We learn that the repression which, though originally expedient, terminates nevertheless in a harmful rejection of inhibition and of psychic domination, is so much more easily accomplished with reminiscences than with perceptions, because in the