132 



A summary of the mean distance and direction in each quadrant is shown in the 

 following table. — 



Distances travelled.— Twenty-two of the fishes (17-5 per cent.) were taken 

 at distances not exceedmg 10 miles from the place of liberation. Seven were 

 males (or 13-5 per cent, of the total number of males recaptured), and they had 

 moved from li to 8 miles, the mean being 4-9 miles ; 3 had gone south and" west, 

 2 north and east, 1 south and east, and 1 directly west. Fifteen were females (or 

 20-3 per cent of the total number of females recaptured), and thev had migrated 

 distances of from 2 to 10 miles, the mean being 5-9 miles ; 5 were found to the 

 south and west, 3 to the south and east, 3 directly east, 2 north and west, 1 north 

 and east, and 1 directly west. 



10 ^0 20 mr7e5— Twenty-five of the fishes (19-8 per cent.) migrated distances 

 between 10 and 20 miles. Twelve males (23-1 per cent.) were taken between 11 and 

 19 miles, the average being 15 miles ; 3 were recaptured to the south and M'est, 



