SUPPLEMENT. 



REPRODUCTION AND EMBRYOLOGY THE CHEMICAL CONSTITUENTS 

 AND THE FLAVOUR OF THE OYSTER ENEMIES TO OYSTERS- 

 PROFESSOR HUXLEY ON OVERDREDGING VALUABLE ITEMS 

 CONCERNING OYSTERS AND FISH ARTIFICIAL OYSTER CULTURE 

 THE OPENING OF OYSTERS CHEMICAL ANALYSIS OF SEA- 

 WATER COMPLETE LIST OF THE SPECIES AND VARIETIES OF 

 OYSTERS. 



ALTHOUGH in the preceding pages of this volume the 

 accumulation of interesting facts and general information 

 relative to " OYSTERS, AND ALL ABOUT THEM/' has 

 already exceeded the paginal limit originally intended, I 

 have felt it to be a duty towards the reader to make it as 

 complete as I possibly can, and for that reason have added 

 a suppletory chapter. But even with this thrown in there 

 is a source from which I have anticipated some degree of 

 disappointment. It is the impossibility of giving to the 

 public, in this work, many facts not already in their pos- 

 .session. 



For any inattention to composition an apology ought 

 never to be necessary. A work of any importance ought 

 never to be submitted to the public till it has been suffi- 

 ciently revised and corrected. Yet this work goes into the 

 world under circumstances which might bespeak, from 



