system had been prepared in advance for the fall that occurred unexpectedly. Depending on which sense or faculty is extended technologically, or “autoamputated,” the “closure” or equilibrium-seeking among the other senses is fairly predictable. It is with the senses as it is with color. Sensation is always 100 per cent, and a color is always 100 per cent color. But the ratio among the components in the sensation or the color can differ infinitely. Yet if sound, for example, is intensified, touch and taste and sight are affected at once. The effect of radio on literate or visual man was to reawaken his tribal memories, and the effect of sound added to motion pictures was to diminish the role of mime, tactility, and kinesthesis. Similarly, when nomadic man turned to sedentary and specialist ways, the senses specialized too. The development of writing and the