87 



same dav on a very limited area — tlie deposit ground. 

 The hauls were made immediately after each other, and 

 the length of ground trawled over varies slightly, but in 

 an insufficient degree to account for the difference in the 

 catches. 



Four hauls made on the Mersey Deposit ground 

 on February 16th, 1894. 



Hauls made on the same day, by the same vessel and 

 net, for the same time and over the same length on the 

 Blackpool closed grounds, have given equally dissimilar 

 results. 



Two li uls on the Blackpool closed ground on 

 January 13th, 1902. 



Shrimps 

 Plaice . 

 Dabs .... 

 Whiting 

 Codling. , 

 Herring 



I. 



High water ; 

 IJ miles ; 1 hour. 



II. 



2 hours ebb ; 

 1^ miles ; 1 hour. 



These instances illustrate the contention that hauls 

 made on the same limited area and on the same day under 



