This is not exactly the place nor the time for the Author to express his obligations and thanks to those gentlemen who have assisted him in his labours, but it affords a perhaps not inappropriate opportunity for him to pay a tribute of gratitude to his recently deceased friend M. Meissonier, without whose enthusiastic encouragement it is probable the present work would never have been undertaken.

In 1882 he invited his friends to attend an illustrated Lecture given in his studio by the Author, and then referring to a full knowledge of a subject being necessary for it to be truthfully or satisfactorily translated by the artist, declared how much his own impression of a horse's motion had been changed after having carefully studied its consecutive phases. Attention need not be directed to the modifications in the expression of animal movements now progressing in the works of the Painter and the Sculptor.

The investigations of the Author are so well known, and so generally recognised as affording the only basis of truthful interpretation or accurate criticism of Animal Movement, that it is unnecessary to quote from the many elaborate reviews of "Animal Locomotion," which have been published in the American, English, French, and German Scientific, Artistic, and other Journals.

For the value of the present work to the general student of Nature and the lover of Art, no less than to the Artist and the ArchÆologist, the Physiologist and the Anatomist, it is with much pride and gratitude that he refers to the annexed list of some of his European subscribers.

E. M.

10 Henrietta Street, Covent Garden, London, August 1891.