ON

MOLECULAR AND MICROSCOPIC SCIENCE

VOLUME THE SECOND

LONDON: PRINTED BY

SPOTTISWOODE AND CO., NEW-STREET SQUARE

AND PARLIAMENT STREET

iiFig. 118, p. 107.

GALEOLARIA LUTEA.

[Frontispiece to Vol. II.

iiiON

MOLECULAR

AND

MICROSCOPIC SCIENCE

BY MARY SOMERVILLE

AUTHOR OF ‘THE MECHANISM OF THE HEAVENS’ ‘PHYSICAL GEOGRAPHY’

‘CONNECTION OF THE PHYSICAL SCIENCES’ ETC.

Deus magnus in magnis, maximus in minimis—St. Augustine

In Two Volumes—Vol. II.

WITH ILLUSTRATIONS

LONDON

JOHN MURRAY, ALBEMARLE STREET

1869

The right of translation is reserved

CONTENTS

OF

THE SECOND VOLUME.

PART III.

ANIMAL ORGANISMS.

SECT.	PAGE

I. FUNCTIONS OF THE ANIMAL FRAME	1

II. PROTOZOA	13

III. HYDROZOA ZOOPHYTES	81

IV. ANTHOZOA ZOOPHYTES	119

V. ANNULOSA, OR WORMS	144

VI. ECHINODERMATA	169

VII. THE CRUSTACEA	188

VIII. CIRRIPEDIA	213

IX. BRYOZOA, OR POLYZOA	218

X. TUNICATA, OR ASCIDIANS	222

XI. MOLLUSCA	229

INDEX	253

...

FIG.