244 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



the adoption of the futilities in the way of bye-laws, of 

 which the past of fishery regulation affords numerous 

 examples. 



The Experiments of 1913. 



Six experiments in all were made in 1913. In March 

 about 100 flounders and plaice were caught by the Fleet- 

 wood police cutter, and put into the tanks in the Piel 

 Hatchery. Eighty of these fish, 70 flounders and 10 plaice, 

 were marked after they had been in the tanks for a week 



General Summary of the Experiments of 1913 and their results. 



No. of 

 experi- 

 ment. 



Place where the 

 fishes were 

 liberated. 



Date of 

 experi- 

 ment. 



No. of 



fishes 



liberated. 



No. 

 recaught. 



/o 

 recaught. 



I. 



Near Piel Gas Buoy 

 (54°N., 3°13'W.) 



Mar. 13, 

 1913 



70 flounders 

 10 plaice 



14 

 3 



20 

 33 



II. 



Entrance to Barrow 

 Channel 

 (54°4'N., 3°10'W.) 



April 22, 

 1913 



177 plaice 

 18 flounders 



77 

 4 



43-5 

 22 



III. 



Blackpool Closed 

 Ground 

 (53°50'N., 3°10'W.) 



June 30, 

 1913 



133 plaice 

 1 sole 



17 



12 



IV. 



Near Nelson Buoy 

 (53°41'N., 3°15'W.) 



July 17, 

 1913 



65 plaice 



3 



5 



V. 



Near Nelson Buoy 

 (53°41'N., 3°15'W.) 



Sept. 17, 

 1913 



283 plaice 

 14 soles 



55 



1 



19-5 

 0-5 



VI. 



Beaumaris Bay 

 (53°22'N., 3°58'W.) 



Nov. 20, 

 1913 



220 plaice 



57 



26 



Total 







991 



231 



23-3 





Experiments of 1912 



. Additional Records. 



No. of 

 experi- 

 ment. 



Recaptures 



already 



recorded. 



Recaptures 

 in 1913. 



No. of 



fishes 



liberated. 



No. 

 recaught. 



o/ 



/o 



recaught. 



I. 



II. 



III. 



26 

 26 



1 



3 



16 

 5 



212 



153 



45 



29 



42 



6 



13 



27 

 13 



