real mind is just this steady play and interplay as the stream sweeps down the course of time. The description of any special phase such as will or desire is merely a mode of reference, not the mind itself. When we bring order into our thought it by no means follows that order has been attained in the given stream. The stream as presented is a rich mass of impressions whose wealth is so great, whose possibilities so multiform that we can scarcely blame those who have tried but thus far in vain to do justice to its scope.

The stream of consciousness, that is, the passing sensations, feelings, emotions, volitions, and thoughts, as directly perceived is psychical; while psychology is the science which undertakes to describe and explain the processes and functions of mind. We directly apprehend, for example, sensations of warmth and of colour, and the psychical states which we thus become aware of are the real objects of consciousness, made known to each in his own mental world. In off-hand fashion we say that we "touch" a hot stove or "see" a red book, just as we speak of the sun as if it revolved around the earth. But when we are careful to discriminate between the facts and the scientific description of them we admit that what we feel is always a mental process, never a physical thing. Physiology describes for us the structure of the organism and explains the way in which heated