A., F.R.S., ETC.
_WITH PHOTOGRAPHIC AND OTHER ILLUSTRATIONS_
NEW YORK
D. APPLETON AND COMPANY
1899
Authorized Edition.
CONTENTS.
INTRODUCTION......................................................Pages 1-26
CHAP. I--GENERAL PRINCIPLES OF EXPRESSION. The three chief
principles stated--The first principle--Serviceable actions
become habitual in association with certain states of the mind,
and are performed whether or not of service in each particular case--
The force of habit--Inheritance--Associated habitual movements
in man--Reflex actions--Passage of habits into reflex actions--
Associated habitual movements in the lower animals--
Concluding remarks ............27-49
CHAP. II--GENERAL PRINCIPLES OF EXPRESSION--_continued_. The Principle
of Antithesis--Instances in the dog and cat--Origin of the principle--
Conventional signs--The principle of antithesis has not arisen from opposite
actions being consciously performed under opposite impulses ..........50-65
CHAP. III--GENERAL PRINCIPLES OF EXPRESSION--_concluded_.
The principle of the direct action of the excited nervous system on the body,
independently of the will and in part of habit--Change of colour in the hair--
Trembling of the muscles--Modified secretions--Perspiration--Expression of
extreme pain--Of rage, great joy, and terror--Contrast between the emotions
which cause and do not cause expressive movements--Exciting and depressing
states of the mind--Summary.
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