University of Chicago Press 
THE MECHANISTIC CONCEPTION OF LIFE. Biological Essays by 
Jacques Loeb, Head of the Department of Experimental Biology, Rockefeller 
Institute for Medical Research. 
238 pages, 12mo, cloth; 6s. net. 
The achievements of Professor Jacques Loeb in the field of experimental 
biology have made him so widely known as to ensure any book of his a large 
circle of readers. His experimental work at the universities of Chicago and 
California, as well as in his present position, gives this volume an especial 
significance. 
In this his latest work Professor Loeb presents many of the current problems 
in biology, and discusses the question whether the phenomena of life can be ex¬ 
plained by physical and chemical laws. He finds it possible to control by physical 
or chemical means not merely the processes of reproduction, but also the conduct 
of animals with reference to environment. 
“ The profession, as well as everyone interested in biology, will thank the author and the 
publishers for collecting these essays and placing them before the reading public.”— The New 
York Medical Journal 
“All eager to know more of the origin of life will find no modern book of its size nearly so 
instructive or inspiring.”— Johns Hopkins Hospital Bulletin 
The publications of the University of Chicago Press, a full catalogue of which will 
be sent on application, are sold in the United Kingdom and the British Colonies by 
THE CAMBRIDGE UNIVERSITY PRESS, Fetter Lane, London, E.C. 
THE PSYCHOLOGY OF INSANITY 
By BERNARD HART, M.D. (Lond.), Lecturer in Psychiatry, University 
College Hospital Medical School; Medical Superintendent, North¬ 
umberland House Asylum. 
Cambridge Manuals Series. Cloth, Is. net; leather 2s. 6 d. net. 
“In the small work before us the author points out that modern science is attacking the 
problem of insanity along two different routes. There is one conception which treats the 
morbid manifestations as states of mind, and the other which regards them merely as significant 
of changes occurring in the brain. It is to the discussion of the first conception that Dr Hart 
devotes himself. The ultimate aim of his work lies in the discovery of the convenient laws 
which will shortly and comprehensively describe conscious processes, the laws themselves 
containing nothing but psychological terms. ...The author’s presentation of the case is lucid and 
thorough, and we can imagine no work of the size giving a clearer exposition of the current 
hypotheses of the school in question. That the great bulk of the work is at present hypothetical 
does not detract from its merits, the chief of which, as we regard it, is the attention which 
it draws to the earliest beginnings of morbid function.”— Lancet 
“In this little work...the author has briefly presented in lucid readable form the more 
important recent developments in abnormal psychology which have yielded results of funda¬ 
mental importance or which have acquired a satisfactory claim to recognition. In this book 
the author, after briefly reviewing the history of insanity, goes on to explain what is meant by 
the psychological conception, and then arranges the subject-matter of the book in such a way 
that the three successive steps of the method of science appear in logical order....An earnest 
attempt has been made to lay the essential features of this interesting section of science concisely 
before the reader, and an excellent groundwork has been prepared upon which to build a more 
extensive knowledge of the subject.”— Asylum Neios 
CAMBRIDGE UNIVERSITY PRESS, FETTER LANE, LONDON 
C. F. CLA Y, Manager 
