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 
Califoi’nia, 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 
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The Weber=Parkes Prize and Medals 
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Open to all members of the Medical Profession in all countries. 
The next Award will be made in 1915, and the Adjudicators have selected as the subject of the Essay for that 
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An original research on the Treatment of Pulmonary Tuherculosis ^vitli substances 
which are especially antagonistic to the Specific Organism and its Prodtwts. 
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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. 6d. net. 
“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 fundamental importance or which have acquired 
a satisfactory claim to recognition. After briefly reviewing the history of insanity, the author 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 N'ews 
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