ON MOLECULAR and MICROSCOPIC SCIENCE VOLUME THE FIRST

By the same Author.

ON the CONNECTION of the PHYSICAL SCIENCES. 9th Edition. Portrait. Post 8vo. 9s.

PHYSICAL GEOGRAPHY. New Edition, thoroughly revised. Portrait. Post 8vo. [In the press.

Fig. 89, p. 20.

EUCYRTIDIUM CRANOIDES.

[Frontispiece to Vol. I.

ON

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. I.

WITH ILLUSTRATIONS

LONDON

JOHN MURRAY, ALBEMARLE STREET

1869

The right of translation is reserved

LONDON: PRINTED BY

SPOTTISWOODE AND CO., NEW-STREET SQUARE

AND PARLIAMENT STREET