210 



third 17| miles to the north and east ; the female went to the offshore waters, 

 64 miles to the south and east, 91 miles east of St. Abb's Head. 



In this quarter, then, 22 of the marked plaice, or 33*8 per cent., were recaptured, 

 16 (72'7 per cent.) to the south and west, at an average distance of 29 miles in the 

 mean direction S. 65° W. ; 3 (13"6 per cent.) north and east ; 2 north and west ; 

 and 1 south and east. 



Second Quarter. — In August, 3 males and 3 females were caught, all to the south 

 and west, except 1 female, which was taken 17 miles to the south and east ; the 

 others were taken at distances of 24, 29, 33 J, 47, and 52 miles, the last-named east of 

 St. Abb's Head. 



Two males and 2 females were caught in September, 1 of the females 11 miles 

 to the north and east, and all the others to the south and west, at distances of 15, 

 15J, and 18 miles. 



Two females and 1 male were recaptured in October, all to the south and west, 

 at distances of 24, 32, and 40^ miles, the last-mentioned being to the east of the Bell 

 Rock. 



In this quarter, 13 of the marked fish, or 20 per cent., were recaptured, of which 

 11 (84"6 per cent.) were taken to the south and west, at an average distance of 30 

 miles, in the mean direction S. 42° W. ; 1 was caught to the north and east, and 1 

 to the south and east. 



Third Quarter. — In November, a female was got off Tod Head, at a distance of 

 20 miles to the west and north. 



In December, a male and a female were taken, the male 13| miles to the north 

 and west, and the female 16 miles to the south and west. 



In January 1914, 2 males and 1 female were captured, the female and 1 of the 

 males at 10 miles distant to the north and west ; the other male 62 miles to the 

 south and west, south-west of the Isle of May. 



Thus, in this quarter, 6 fishes, or 9'4 per cent., were recaptured, 4 (66"6 per 

 cent.) at an average distance of 13 miles in the mean direction N. 76° W., and 2 

 to the south and west. 



Fourth Quarter. — A male and a female were caught in February 1914, the female 



8 miles to the north and west, and the male 21 miles to the south and west. 



In March, a male and a female also were recovered, both to the south and west, 

 at distances of 20| and 52 miles respectively, the latter north of St. Abb's Head. 



Two males and 2 females were taken in April, the males to the north and west, 

 at distances of 9 and 34 miles, the latter in Aberdeen Bay ; the females were got to 

 the south and west, at distances of 36 and 49 miles, the latter offshore, east of St. 

 Abb's Head. 



Eight fishes, or 12-3 per cent., were recaptured in this quarter, 5 (62-5 per cent.) 

 at an average distance of 36 miles in the mean direction S. 55° W., and 3 (37'5 per 

 cent.) to the north and west. 



Altogether, within the 12 months following the liberation, 49 of the marked 

 plaice, or 75-4 per cent., were recovered, 34 (69-3 per cent.) to the south and west, 



9 (18"4 per cent.) to thenorth and west, 4 to the north and east, and 2 to the south 

 and east. These particulars are summarised in the following table : — 



[Table. 



