The image features a series of twelve sequential frames depicting a horse in various stages of motion, showcasing its gallop. The frames are arranged in a grid layout across two rows. Each frame has a number at the top, indicating the order of motion, and the silhouette of the horse stands against a beige background. At the bottom, text reads “THE HORSE IN MOTION” along with “MY BRIDGE” and mentions “SALLIE GARDEN,” referring to a horse ridden by Leland Stanford, with a note about the date and location: “recorded by E. J. Muybridge, riding at a 140 gait over the Palo Alto track, 1878.”