SI 



CONTENTS. 



CHAPTER I. 



PAGE 



Inteoduction . . 1 



CHAPTEE II. 



The Floor op the Ocean ....... 9 



CHAPTER III. 



The Aquarium 19 



CHAPTEE IV. 



The Vegetation" of the Marine Aquarium . . .39 

 CHAPTEE V. 



The Zoophytes , . , .51 



CHAPTEE VI. 

 The Molluscs, &c 



64 



