paint as if you held, rather than as if you saw, objects. A theory of cultural change is impossible without knowledge of the changing sense ratios effected by various externalizations of our senses. * It is very much worth dwelling on this matter, since we shall see that from the invention of the alphabet there has been a continuous drive in the Western world toward the separation of the senses, of functions, of operations, of states emotional and political, as well as of tasks—a fragmentation which terminated, thought Durkheim, in the anomie of the nineteenth century. The paradox presented by Professor von Békésy is that the two-dimensional mosaic is, in fact, a multidimensional world of interstructural resonance. It is the three-dimensional world of pictorial space that is, indeed, an abstract illusion built