ESSAYS:SCIENTIFIC,POLITICAL, & SPECULATIVE.

HERBERT SPENCER.

LIBRARY EDITION,

(otherwise fifth thousand,)

Containing Seven Essays not before Republished,and various other additions.

VOL. II.

WILLIAMS AND NORGATE,

14, HENRIETTA STREET, COVENT GARDEN, LONDON;

AND 20, SOUTH FREDERICK STREET, EDINBURGH.

1891.

LONDON:

G. NORMAN AND SON, PRINTERS, HART STREET,

COVENT GARDEN.

CONTENTS OF VOL. II.
	PAGE
THE GENESIS OF SCIENCE	1
THE CLASSIFICATION OF THE SCIENCES	74
REASONS FOR DISSENTING FROM THE PHILOSOPHY OF M. COMTE	118
ON LAWS IN GENERAL, AND THE ORDER OF THEIR DISCOVERY	145
THE VALUATION OF EVIDENCE	161
WHAT IS ELECTRICITY?	168
MILL versus HAMILTON—THE TEST OF TRUTH	188
REPLIES TO CRITICISMS	218
PROF. GREEN’S EXPLANATIONS	321
THE PHILOSOPHY OF STYLE	333
USE AND BEAUTY	370
THE SOURCES OF ARCHITECTURAL TYPES	375
GRACEFULNESS	381
PERSONAL BEAUTY	387
THE ORIGIN AND FUNCTION OF MUSIC	400
THE PHYSIOLOGY OF LAUGHTER	452

(For Index, see Volume III.)

THE GENESIS OF SCIENCE.

[First published in The British Quarterly Review for July1854.]

There still prevails among men a vague notion thatscientific knowledge differs in nature from ordinary

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