72 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



The following tables give the number of eggs 

 collected, and of the fry hatched and set free on the dates 

 specified : — 



Plaice (Pleuronectes platessa, Linn.). 



Eggs Collected. 



20,000 

 30,000 

 45,000 

 50,000 

 65,000 

 70,000 

 75,000 

 80,000 

 80,000 

 85,000 

 90,000 

 95,000 

 95,000 

 90,000 

 85,000 

 80,000 

 75,000 

 60,000 

 55,000 

 40,000 

 25,000 

 10,000 



Total Eggs 1,400,000 



March 9 





„ 12 





» 15 





>, 17 





„ 19 





„ 22 





„ 24 





„ 26 





„ 28 





„ 30 





April 1 





~i, 3 





6 





8 





„ 12 





,, 14 





„ 16 





„ 19 





„ 21. 





„ 26 





30 





May 5 





Fry Set Free 



17,500 . 



26,000 . 



40,000 . 



44,000 . 



57,500 . 



62,000 . 



66,500 . 



70,000 . 



70,000 . 



75,000 . 



79,000 . 



84,500 . 



84,500 . 



79,000 . 



75,000 . 



70,000 . 



66,500 . 



51,500 . 



47,500 . 



34,500 . 

 22,000 

 8,500 



March 26 



,',' 31 

 > > >> 



April 6 



ii >) 



ii ii 



ii 12 



ii ii 



ii ii 



ii 19 



ii >> 



ii ii 

 24 



ii ii 



30 



May 14 



M 11 



22 



1,231,000 Total Fry. 



