THE NEW YORK PUBLIC LIBRARY

ACTER, LENOX AND

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Upper machine is that in which Bleriot crossed the English Channel; lower is that of Latham.

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PROFESSOR E. E. BARNARD, A.M., Sc.D.,
Yerkes Astronomical Observatory.

PROFESSOR CHARLES BASKERVILLE, Ph.D., F.C.S. Professor of Chemistry, College of the City of New York.

DIRECTOR WILLIAM T. HORNADAY, SC.D.,
President of New York Zoological Society.

PROFESSOR FREDERICK STARR, S.B., S.M., Ph.D.,
Professor of Anthropology, Chicago University.

PROFESSOR CASSIUS J. KEYSER, B.S., A.M., Ph.D., Adrain Professor of Mathematics, Columbia University

EDWARD J. WHEELER, A.M., Litt.D.,
Editor of 'Current Literature.'

PROFESSOR HUGO MÜNSTERBERG, A.B., M.D., Ph.D., LL.D., Professor of Psychology, Harvard University.