ARCHÆOLOGISTS, AUTHORS OF ART WORKS, ETC. von Berlepsch Bullen von Duhn Ewald Falke Furness, H. H. von Kekule Klein Muntz Overbeck Pietsch Preuner Pulszky Ruskin di Sambuy, Conte Smith, Gen. Sir R.M. Treu Wolff, Albert. ANATOMISTS, ANTHROPOLOGISTS, BIOLOGISTS, ETHNOLOGISTS, PALÆONTOLOGISTS, PATHOLOGISTS, PHYSIOLOGISTS, PSYCHOLOGISTS, ZOOLOGISTS, ETC. Acland, Sir H. W. Agassiz, A. Barrier du Bois Reymond Bowditch Bowman, Sir W. Braune, W. Brown-Sequard Burdon-Sanderson Cleland Darwin, F. Exner, S. Fick Flower Foster Galton, F. Gill Goode, Brown Hasse Haughton Heidenhain Hering Humphry Huxley Jensink von Kölliker von Kries Lankester Leidy Lubbock, Sir J. Ludwig Mantegazza Marey Marshall Meyer Milne-Edwards Mivart Moleschott Mosso Munk Müller, Max Owen, Sir R. Pasteur Pepper W. Pettigrew Rabl Romanes Rückert Schiff Schütz Virchow, R. von Voit Wear-Mitchell Wood Wundt von Zittell. PHYSICISTS, ETC. Abney Blake Blazerna Bramwell, Sir F. Bunsen Ditscheiner Edison Glaisher von Helmholtz Huggins Langley Mach Matthiessen Quincke Spottiswoode Thomson, Sir W. Vogel Weber. MILITARY SCIENTISTS. Field Marshal Count von Moltke General U. S. Grant General W. T. Sherman General P. H. Sheridan General R. B. Hayes. * * * * * THE SCIENCE OF ZOOPRAXOGRAPHY. Made Popular by Suggestive Tracings from "Animal Locomotion." ------ A series of FIFTY ENGRAVINGS, each of which illustrates from 12 to 15 consecutive phases of some complete movement, photographed from life. The successive phases of each action are arranged in a circle NINE INCHES IN DIAMETER; for reduced copies of some of which see appendix A. Printed on six-ply Bristol-board and enclosed in A STRONG CLOTH PORTFOLIO, size 10×12 inches; price, Five Dollars in the United States; or One Guinea in Great Britain. Sent free of postage upon receipt of price, to any country within the Universal Postal Union. EADWEARD MUYBRIDGE, University of Pennsylvania, Philadelphia, U.S.A. Or, at 10 Henrietta Street, Covent Garden, London. * * * * * To convert the circles of figures into a ZOOPRAXISCOPE, cut out the disc, and, radiating from the centre thereof, about midway from the margin, cut or stamp thirteen equidistant perforations; each an inch long, and about the sixteenth of an inch wide. Pin the centre of the disc to a handle and revolve it in the direction of the arrow, at a distance of about twenty-four inches, in front of a mirror. By looking through the _upper_ series of perforations at the reflection of the _lower_ series of figures, a semblance of the original movements of life will be seen.