THE EVOLUTION OF PLANT LIFE: Lower Forms. By G. Massee, Kew Gardens. With Illustrations.

AIR AND WATER. Professor V. B. Lewes, M.A. Illustrated.

THE CHEMISTRY OF LIFE AND HEALTH. By C. W. Kimmins, M.A. Camb. Illustrated.

THE MECHANICS OF DAILY LIFE. By V. P. Sells, M.A. Illustrated.

ENGLISH SOCIAL REFORMERS. H. de B. Gibbins, M.A.

ENGLISH TRADE AND FINANCE IN THE SEVENTEENTH CENTURY. By W. A. S. Hewins, B.A.

The following volumes are in preparation:—

NAPOLEON. By E. L. S. Horsburgh, M.A. Camb., U. E. Lecturer in History.

ENGLISH POLITICAL HISTORY. By T. J. Lawrence, M.A., late Fellow and Tutor of Downing College, Cambridge, U. E. Lecturer in History.

AN INTRODUCTION TO PHILOSOPHY. By J. Solomon, M.A. Oxon., late Lecturer in Philosophy at University College, Nottingham.