THOMAS RYMER JONES, F.R.S.,

PROFESSOR OF NATURAL HISTORY AND COMPARATIVE ANATOMY IN KING'S COLLEGE, LONDON.

WITH UPWARDS OF

Four Hundred Engravings, and a Series of Coloured Plates.

IN FOUR VOLUMES.

VOL. III.

LONDON:
CASSELL, PETTER, AND GALPIN;
AND NEW YORK


CONTENTS.