CONTENTS. 



Page. 



Introduction .' 3 



Methods of the survey 4 



Description of oyster grounds 7 



Bombay bed 7 



- Thrum-cap bed 8 



Over-the-Bar bed 9 



Patches between Over-the-Bar and Sand beds 10 



Sand bed 11 



Leipsic Rock 11 



Bed north of Silver bed 12 



Between Silver bed and Simons Creek '. 12 



Silver bed 13 



Lumps between Silver and Ridge beds 14 



Drum bed 15 



Ridge bed 16 



Small beds northeast of Ridge bed 18 



Old bed 19 



Outside of Old bed 19 



Scattered patches between Ridge and Southwest beds 20 



Southwest bed '. 20 



Stone bed 22 



East Line bed 22 



Flogger bed 23 



The beds in summary 23 



Physical and biological conditions 27 



Tides and currents 27 



Salinity of the water 27 



Enemies of the oyster 28 



2 



