42 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



chiefly from Professor Herdman's steam-yacht " Lady- 

 bird." The majority of the adult fish which furnished 

 the eggs had been retained in the pond from the previous 

 season, and to these 119 were added by means of trammel 

 nets worked by the Assistant Curator in the bay. 



" The approximate numbers of the eggs collected and 

 of the young fish set free upon the dates specified are 

 given in the following table: — 



Eggs collected. 



Date 



I 



^arvse set free. 



Dat 



e. 



26,000 . 



. Feb. 



25 



19,000 



Mar. 



21 



29,000 . 



>j 



27 



25,000 



33 



21 



18,500 . 



Mar. 



1 



12,000 



33 



21 



82,000 . 



?? 



4 



68,000 



33 



26 



69,000 .. 



33 



6 



50,000 



33 



26 



76,000 . 



33 



7 



70,000 



33 



28 



47,000 . 



33 



9 



42,000 . . 



33 



28 



43,500 . 



33 



11 



40,000 



April 



1 



83,000 . 



33 



12 



77,000 



33 



r 



43,000 . 



33 



14 



32,500 



33 



i 



100,000 . 



33 



15 



50,000 



33 



i 



111,000 . 



33 



19 



85,000 



33 



4 



168,000 . 



33 



21 



140,000 



33 



8 



160,000 . 



33 



23 



140,000 



33 



9 



229,000 . 



33 



25 



198,000 



33 



11 



315,000 . 



33 



27 



211,000 



33 



13 



105,000 . 



33 



28 



84,000 



33 



15 



395,000 . 



33 



30 



355,000 



33 



16 



336,000 . 



April 



1 



281,000 



33 



19 



194,000 . 



33 



2 



131,000 



33 



22 



304,500 . 



284,000 . 



3 3 

 33 



4) 

 6j 



368,500 



33 



23 



250,000 . 



33 



8 



200,000 



33 



25 



231,000 . 



33 



9 



158,000 



33 



27 



143,000 . 



33 



11 



120,000 



May 



4 



131,000 . 



33 



13 



91,000 



33 



6 



138,000 . 



33 



15 



80,000 



33 



6 



178,500 . 



33 



16 



123,500 



33 



6 



132,000 . 



,, 



18 



59,000 



33 



6 



79,000 . 



5) 



20 



49,000 



33 



6 



61,000 . 



33 



22 



46,000 



33 



6 



16,000 . 



33 



24 



11,000 



33 



10 



84,000 . 



33 



25 



44,000 



33 



10 



4,662,000 



5,460,500 





