Most people, perhaps, can recall from their childhood the pleasure of cloud-gazing. The clouds are such strange-looking things, they change their forms so quickly, they seem to be doing so many things, now slumbering lazily, now rushing wildly on. Cloud-land is safe away from the scrutiny of fingers, so we never can be sure what they would be if we got to them. Some children take fright at their big, strange forms and their weird transformations: but a happy child that loves day-dreaming will spend many delightful hours in fashioning these forms into wondrous and delightful things, such as kings and queens, giants and dwarfs, beautiful castles, armies marching to battle, or driven in flight, pirates sailing over fair isle-dotted seas. There is a delicious satisfaction to young minds in thus finding a habitation for their cherished images. To project them in this way into the visible world, to know that they are located in that spot before the eye, is to "realise" them, in the sense of giving them the fullest possible reality. Next to the cloud-world come distant parts of the terrestrial scene. The chain of hills, perhaps, faintly visible from the home, has been again and again endowed by a child's fancy with all manner of wondrous scenery and peopled by all manner of strange creatures. At times when they have shown a soft blue, he has made fairy-land of them; at other times when standing out black and fierce-looking against the western sky at eventide, he has half shuddered at them, peopling them with horrid monsters. Best of all, I think, for this locating of images, are the hidden spaces of the visible world. One child used to wonder what was hidden behind a long stretch of wood which closed in a good part of his horizon. Many a child has had his day-dreams about the country lying beyond the hills on the horizon. One little girl who lived on a cattle-station in Australia used to locate beyond a low range of hills a family of children whom she called her little girls, and about whom she related endless stories. With timid children this tendency to project images into unseen places becomes a fearful kind of wonder, not altogether unpleasant when confined to a moderate intensity. I remember the look of awe on the face of a small boy whose hand I held as we passed one summer evening a dark wood, and he whispered to me that the wolves lived in that wood. This impulse of timid children to project their dark fancies into obscure and hidden places often stops short at vague undefinable conjecture. "When (writes a German author) I was a child and we played hide and seek in the barn, I always felt that there must or might be something unheard of hidden away behind every bundle of straw, and in the corners." Here we can hardly speak of a housing of images: at such a moment perhaps the little brain has such a rush of weird images that no one grows distinct.