Soap-Bubbles, and the Forces which Mould Them. A course of Lectures by C. V. Boys, A.R.S.M., F.R.S. With numerous diagrams. 2s. 6d.
Spinning Tops. By Professor J. Perry, M.E., D.Sc., F.R.S. With numerous diagrams. 2s. 6d.
Diseases of Plants. By Professor Marshall Ward. With Numerous Illustrations. 2s. 6d.
The Story of a Tinder-Box. A course of Lectures by Charles Meymott Tidy, M.B., M.S., F.C.S. With Numerous Illustrations. 2s.
Time and Tide. A Romance of the Moon. By Sir Robert S. Ball, LL.D., Royal Astronomer of Ireland. With Illustrations. 2s. 6d.
MANUALS OF HEALTH.
Fcap. 8vo, 128 pp., limp cloth, price 1s. each.
Health and Occupation. By B. W. Richardson, Esq., F.R.S., M.D.
Habitation in Relation to Health (The). By F. S. B. Chaumont, M.D., F.R.S.
On Personal Care of Health. By the late E. A. Parkes, M.D., F.R.S.