Our Infantry and many of our Batteries would then be out in the open, in view from the Austrian O.P.'s, unable to light a fire by day, and only able to send up supplies by night; and our general situation would be so much the worse with heavy snow increasing our discomfort and the visibility of any work we might undertake and of our every movement.

The material which it uses for its content and for the sensuous expression of that content is visibility as such, in so far as it is individualized, viz., specified as color.