"Dr. Herbert's hook can be recommended as a trustworthy 'first aid' in the study of a difficult subject. His style is lucid and concise, and he has provided a glossary which will be of service to many."—Athenæum.
"We have only praise for the result."—Eugenics Review.
"Dr. Herbert will be found a safe guide. He writes as clearly and as simply as may be upon a subject in which it is practically impossible to avoid technical language.... The book may be cordially recommended as admirably adapted for the class for whom it is intended." Westminster Gazette.
THE FIRST PRINCIPLES OF EVOLUTION
90 Illustrations. Large Crown 8vo. Cloth, 12s. 6d. net (by
post, 13s. 6d.). Revised Edition.
"The author attempts to examine and test the principles of the theory of evolution as applied to the known phenomena of the cosmos. To do this at all satisfactorily in little more than 300 pages, and at the same time bring under review all that is most valuable in recent scientific research, is no easy task. We may say at once that, in our opinion Dr. Herbert has succeeded wonderfully well."—Athenæum.
"Contains not a single dry page—far and away the most compact and complete account of evolution in all its aspects."—Globe.
"We congratulate Dr. Herbert on his masterly arrangement.... It will serve as an admirable introduction to a difficult subject."—Dundee Advertiser.
AN INTRODUCTION TO THE
PHYSIOLOGY AND PSYCHOLOGY OF SEX
49 Illustrations. Large Crown 8vo. Cloth. 7s.6d. net (by post, 8s. 1d.).