242 



1914. In July 1913, a female was taken 43 miles to the south and west, east of 

 the Orkneys. In August, a female was recaptured by a German trawler, and landed 

 at Cuxhaven, with the intimation that it was taken on the Great Fisher Bank 

 (57° N. 4' E.), at a distance of about 215 miles to the south and east. In November, 

 a female was recaptured 11 miles to the south and east, and in December, a male and 

 a female, the latter 77 miles to the south and west, south -east of Noss Head, Moray 

 Firth, and the male 101 miles to the north and west, 5 miles from Sule Skerry. 



In January 1914, a female was caught 12 miles to the north and east. In 

 February, a inale was got in the " Moray Firth," and landed at Grimsby by a 

 foreign trawler. In March, a male and a female were recaptured, the female south- 

 east of Noss Head, at a distance of 75 miles to the south and west, the male south- 

 east of Berriedale Ness, in the Moray Firth, 103 miles to the south and west. In 

 May, a female was recaptured near Foula, Shetlands, 52 miles to the north and west, 

 and in November, a female 8 miles S.S.W. of Sumburgh Head, Shetland, at a dis- 

 tance of 25 miles. 



The following table shows how all the fish of the experimejit were distributed 

 in each quadrant : — 



Distances travelled — 10 miles and under. — Two fish, or 4" 6 per cent, were taken 

 at 8 and 10 miles ; they were both females. 



10 to 20 miles. — Four fish, or 9-3 per cent., were recaptured at 11, 12, and 14 miles ; 

 they were all females (11-8 per cent.). Two were taken to the north and west, 

 1 to the north and east, and 1 to the south and east. 



Thus, under 20 miles, 6 fish, or 13-9 per cent., were recaptured, all females 

 (17"6 per cent.), with an average of 11 miles. 



20 to 50 miles. — Fifteen of the marked plaice, or 34*9 per cent., were recovered 

 at distances of from 24 to 45 miles 4 males (44'4 per cent.), with an average of 37 

 miles, and 11 females (32*3 per cent.), with an average of 37 miles. Two of the 



