This is a text description for vir_dema.gif. This image shows seven small square images adjacent to one another and aligned in two rows - row one contains four images and row two contains three images. The first three images in row one beginning on the left, have a gray background and a small colored circle in the foreground. In the second and third images, the circles are in the same position (lower right corner), but image three has a dark green circle and image two has a light blue circle. In the first image, the dark green circle is in the upper left corner of the image. The next set of two images, images four and five are divided into two vertical halves of two different colors so that each image is a mirror image of the other. Image four contains a dark gray left half and a dark green right half, while image five contains a dark green left half and a dark gray right half. The last set of images, images six and seven are identical in that both contain twelve closely separated straitions angled at a steep 70 degree angle that fills most (80 percent) of the image leaving the upper left corner (10 percent) and lower right corner (10 percent) vacant. Image six has a white background and bright green colored striations, while image seven has a light gray background and brown colored striations.