CONTENTS.

CHAPTER I.
PAGE
Introduction[1]
CHAPTER II.
The Floor of the Ocean[9]
CHAPTER III.
The Aquarium[19]
CHAPTER IV.
The Vegetation of the Marine Aquarium[39]
CHAPTER V.
The Zoöphytes[51]
CHAPTER VI.
The Molluscs, &c.[64]
CHAPTER VII.
The Ascidians, Barnacles, Sea-Cucumbers, Naked Molluscs, Sea-Worms, &c.[86]
CHAPTER VIII.
The Fish and Crustaceans of the Aquarium[95]
CHAPTER IX.
Conclusion[106]