CONTENTS. 



CHAPTER I. 



PAGE 



INTEODUCTION 1 



CHAPTER II. 



DlSCOVEET OF THE PRINCIPLES OF THE AQUARIUM, AND THE 



BEST MODE OP CONSTRUCTING ONE 9 



CHAPTER III. 



PLANTING THE RIVEE GAEDEN IN THE AQUAEIUM . . .19 



CHAPTER IY. 



CONCEENLNG THE CffAEACTEBISTICS OP THE PLANTS SELECTED 



FOE THE AQUARIUM 30 



CHAPTER V. 



THE MOLLUSCA AND THE FISH 46 



CHAPTER VI. 

 STICKLEBACKS AND THEIE NEST-BUILDING . 66 



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