The philosophy of biology
Transcriber’s notes :
The cover image of the book was created by the transcriber and is placed in the public domain.
THE PHILOSOPHY OF BIOLOGY
CAMBRIDGE UNIVERSITY PRESS London : FETTER LANE, E.C. C. F. CLAY, Manager
Edinburgh : 100 PRINCES STREET Berlin : A. ASHER AND CO. Leipzig : F. A. BROCKHAUS New York : G. P. PUTNAM’S SONS Bombay and Calcutta : MACMILLAN AND CO., Ltd. Toronto : J. M. DENT & SONS, Ltd. Tokyo : THE MARUZEN-KABUSHIKI-KAISHA
All rights reserved
JAMES JOHNSTONE, D.Sc.
Cambridge:
at the University Press
1914
It has been suggested that some reference, of an apologetic nature, to the title of this book may be desirable, so I wish to point out that it can really be justified. Science, says Driesch, is the attempt to describe Givenness, and Philosophy is the attempt to understand it. It is our task, as investigators of nature, to describe what seems to us to happen there, and the knowledge that we so attain—that is, our perceptions, thinned out, so to speak, modified by our mental organisation, related to each other, classified and remembered—constitutes our Givenness. This is only a description of what seems to us to be nature. But few of us remain content with it, and the impulse to go beyond our mere descriptions is at times an irresistible one. Fettered by our habits of thought, and by the limitations of sensation, we seem to look out into the dark and to see only the shadows of things. Then we attempt to turn round in order that we might discover what it is that casts the shadows, and what it is in ourselves that gives shape to them. We seek for the Reality that we feel is behind the shadows. That is Philosophy.
James Johnstone
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THE PHILOSOPHY OF BIOLOGY
INTRODUCTION
CONTENTS
CHAPTER I THE CONCEPTUAL WORLD
CHAPTER II THE ORGANISM AS A MECHANISM
CHAPTER III THE ACTIVITIES OF THE ORGANISM
CHAPTER IV THE VITAL IMPETUS
CHAPTER V THE INDIVIDUAL AND THE SPECIES
CHAPTER VI TRANSFORMISM
CHAPTER VII THE MEANING OF EVOLUTION
CHAPTER VIII THE ORGANIC AND THE INORGANIC
INFINITY
FUNCTIONALITY
RATE OF VARIATION
THE NOTION OF THE LIMIT
FREQUENCY DISTRIBUTIONS AND PROBABILITY
MATTER
MASS
INERTIA
FORCE
ENERGY
POTENTIAL ENERGY
ISOTHERMAL AND ADIABATIC CHANGES
THE CARNOT ENGINE
THE CARNOT POSITIVE CYCLE
THE CARNOT NEGATIVE CYCLE
REVERSIBILITY
ENTROPY
AVAILABLE AND UNAVAILABLE ENERGY
INERT MATTER
INDEX
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