F SCIENCE.

_Small post 8vo. Illustrated. Cloth boards._

_s. d._

Coal; and What We get from It.
By Professor RAPHAEL MELDOLA, F.R.S., F.I.C. 2 6

Colour Measurement and Mixture.
By Captain W. DE W. ABNEY, C.B., R.E., F.R.S. 2 6

Diseases of Plants.
By H. MARSHALL WARD, M.A., F.R.S., F.L.S. 2 6

Our Secret Friends and Foes.
By PERCY FARADAY FRANKLAND, Ph.D., B.Sc. (Lond.),
F.R.S. Second Edition, revised and enlarged 3 0

Soap Bubbles and the Forces which Mould Them.
By C.V. BOYS, A.R.S.M., F.R.S. 2 6

Spinning Tops.
By Professor J. PERRY, M.E., D.Sc, F.R.S. 2 6

The Birth and Growth of Worlds.
By Professor GREEN, M.A., F.R.S. 2 6

The Making of Flowers.
By the Rev. Professor GEORGE HENSLOW, M.A.,
F.L.S., F.G.S. 2 6

The Story of a Tinder-Box.
By the late C. MEYMOTT TIDY, M.B., M.S., F.C.S. 2 0

Time and Tide: a Romance of the Moon.
By Sir ROBERT S. BALL, F.R.S. Third Edition revised 2 6

PUBLICATIONS
OF THE
Society for Promoting Christian Knowledge.

Publications

of

The Society for Promoting Christian Knowledge.

Early Britain.

_This is a Series of books which has for its aim the presentation of
Early Britain at great Historic Periods._

_Anglo-Saxon Britain._

By the late GRANT ALLEN. With Map. Fcap. 8vo. _Cloth boards_, 2_s._
6_d._

_Celtic Britain._

By Professor RHYS. With two Maps. Fcap. 8vo. _Cloth boards_, 3_s._

_Norman Britain._

By the Rev. W. HUNT. With Map. Fcap. 8vo. _Cloth boards_, 2_s._
6_d._

_Post-Norman Britain._

By HENRY G. HEWLETT. Fcap. 8vo. _Cloth boards_, 3_s._

_Roman Britain._

By the Rev. EDWARD CONYBEARE. With Map. Fcap. 8vo. 3_s._ 6_d._

_Roman Roads in Britain._

By THOMAS CODRINGTON, M.Inst.C.E., F.G.S. With several Maps. Fcap.
8vo. _Cloth boards_, 5_s._

THE HEATHEN WORLD AND ST. PAUL.

_This Series is intended to throw light upon the Writings and Labours of
the Apostle of the Gentiles._

Fcap. 8vo, cloth boards, 2s. each.

_St. Paul in Damascus and Arabia._

By the late Rev. GEORGE RAWLINSON, M.A., Canon of Canterbury. With
Map.

_St. Paul at Rome._