iv 



CONTENTS. 



CHAPTER yil. 



PAGE 



The Ascidians, Eabnacles, Sea-Cuctjmbees, NTaked Mol- 

 luscs, Sea-Wobms, &c 86 



CHAPTER YIII. 

 The Fish and Crustaceans of the Aquaeium . . .95 



Conclusion 



CHAPTER IX. 



106 



