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SCIENTIFIC METHOD
ITS PHILOSOPHY AND ITS PRACTICE By F. W. WESTAWAY. Super-crown 8vo, 6s. net
      “ Mr. Westaway’s book . .. deserve* the attention of all who are interested in the principles which underlie and regulate modern investigation. . . . By judicious choice of representative passages a very clear and comprehensive idea of the evolution and present position of scientific method is conveyed to th« reader, while in his comments upon doubtful points and antagonistic opinions he proves himself a sound and capable critic."—British Medical Journal.
      “The author has given us in the space of some four hundred pag-es brief but lucid accounts of the methods of philosophy and the problems it has attempted to solve, of the logic of scientific method, and of the particular methods of famous men of science."—Outlook.
      “The whole book is a model of clearness.”—Nature.
THE STUDY OF PLANT LIFE
By M. C. STOPES, D.Sc., Ph.D., F.L.S.
Fellow and Lecturer in Palasobotany at University College, London University
Fully Illustrated. 4f. 6d. net
A FIRST COURSE IN PRACTICAL BOTANY
 By G. F. Scott Elliot, M.A., B.Sc., F.L.S., F.R.G.S., formerly Lecturer on Botany in the Royal Technical College, Glasgow. 3J. 61 i. net.
PLANT DISEASES
By Dr. Werner F. Brock. Translated and Edited by J. R. Ainsworth-Davis, Principal of the Royal Agricultural College, Cirencester. 2s. 6d. net.
ANCIENT PLANTS
A SIMPLE ACCOUNT OF THE PAST VEGETATION OF THE EARTH AND OF RECENT IMPORTANT DISCOVERIES IN THAT REALM OF NATURE STUDY
By MARIE C. STOPES, D.Sc., Ph.D., F.L.S.
Fellow and Lecturer in Palseobotany at University College, London University
Fully Illustrated. Si. net
      “ Dr. Marie Stopes has made a name tor herself in this special line. Anyone who takes an intelligent interest in the subject cartnot tail to be charmed with the pleasant manner in which Dr. Stopes conveys her information.”—Athen«ei*m.
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