Mr. BROTHERS, F.R.A.S., called attention to the fact that the planet Mercury was, for the time being, easily seen after sunset, being near Venus.

Mr. R. F. GwYTHER, M.A., read a paper on "The conditions securing the permanency of form of quantities which express physical properties in a continuous medium."

Mr. HENRY WILDE, F.R.S., read a paper on "The evidence afforded by Bode's Law of a permanent contraction of the Radii Vectores of the Planetary Orbits."

C

On the Evidence afforded by Bode's Law of a permanent
Contraction of the Radii Vectores of the Planetary Orbits.
By Henry Wilde, F.R.S.

On Kaloxylon Hookeri, Will., and Lyginodendron Oldhamium,
Will. By Thomas Hick, B.A., B.Sc., A.L.S., Assistant
Lecturer in Botany, Owens College. Communicated by
F. E. Weiss, B.Sc., Professor of Botany at the Owens
College -

A Sketch of the Limitations which are enforced upon the

Mathematical Forms of the expressions for Physical

Quantities in a Continuous Medium in consequence of

the necessity for their Permanence of Form. By R. F.

Gwyther, M.A.

p. 95

p. 109

p. 119

MANCHESTER:

36 GEORGE STREET.

Price Three Sbillings and Sixpence.

RECENT ADDITIONS TO THE LIBRARY.

Presented.

Oliver Heaviside. Electrical Papers. Vols. I. and II.

Electro-magnetic Theory. Vol. I.

Scottish Microscopical Society. Proceedings. 1893-94.

P. Francesco Denza. Cenni Necrologici. 1894.

Ministero di Agricoltura, Industria E Commercio. Statistica delle Biblioteche. Vols. I. and II.

And the usual Exchanges and Periodicals.