PROCEEDINGS

OF THE

AMERICAN ACADEMY

OF

ARTS AND SCIENCES.

Vol. XLI.

FROM MAY, 1905, TO MAY, 1906.

BOSTON: PUBLISHED BY THE ACADEMY. 1906.

Proceedings of the American Academy of Arts and Sciences.

Vol. XLI. No. 12. — August,1905.

REPORT OF AN EXPERIMENT TO DETECT THE FITZGERALD LORENTZ EFFECT.

By Edward W. Morley and Dayton C. Miller.

With Two Plates.

Investigations on Light and Heat made or published, wholly or in part, with Appropriations from the Rumford Fund.