By KARL PEARSON, F.R.S.,
Professor of Applied Mathematics in University College, London, and formerly Fellow of King's College,
Cambridge.

Two volumes, Demy 8vo. With Illustrations. 25s. net.

CONTENTS.

The Chances of Death.
The Scientific Aspect of Monte Carlo Roulette.
Reproductive Selection.
Socialism and Natural Selection.
Politics and Science.
Reaction! A Criticism of Mr. Balfour's attack on Rationalism.
Woman and Labour.
Variation in Man and Woman.

Woman as Witch—Evidences of Mother-Right in the Customs of Medieval Witchcraft.
Ashiepattle; or, Hans seeks his Luck.
Kindred Group-Marriage.
The German Passion-Play: A Study in the Evolution of Western Christianity.
Appendices.
Index.


STUDIES IN EVOLUTION.

By CHARLES EMERSON BEECHER, Ph.D.,
Professor of Historical Theology at Yale University.

Demy 8vo. With Illustrations. 21s. net.