Horse Hornet rocking. This is plate 649, captioned "A: 'Hornet' rocking. B: 'Eagle' rolling a barrel".; CITE AS "Eadweard Muybridge. Animal locomotion: an electro-photographic investigation of consecutive phases of animal movements. 1872-1885. USC Digital Library, 2010."; CITE ORIGINAL SOURCE AS "Eadweard Muybridge. Animal locomotion: an electro-photographic investigation of consecutive phases of animal movements. 1872-1885 / published under the auspices of the University of Pennsylvania. Plates. The plates printed by the Photo-Gravure Company. Philadelphia, 1887."