FIVE HUNDRED DOLLARS

in the United States,

ONE HUNDRED GUINEAS

in Great Britain for the complete series, in eight full American-Russia leather portfolios, or if bound in eleven volumes, each plate hinged, full American-Russia leather,

FIVE HUNDRED AND FIFTY DOLLARS

in the United States,

ONE HUNDRED AND TEN GUINEAS

in Great Britain; or its equivalent for any city in Central or Western Europe.

Subscribers who wish to make use of these Plates for the promotion or diffusion of knowledge, or for artistic or scientific purposes, will be afforded facilities for acquiring working copies by special arrangement with the Author.

The investigations of the Author are so well known; and so generally recognized as affording the only basis of truthful interpretation or accurate criticism of Animal Movement, that it is perhaps scarcely necessary 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. A few extracts therefrom are however given in Appendix A.