185 



was caught east of Auskerry, Orkneys, at a distance of 132 miles ; the other 3 had 

 moved short distances of 9, 15, and 17 miles respectively. 



A male and 2 females were recovered in September, the male and 1 of the 

 females 25 miles and 12 miles respectively to the north and east ; the other female 

 was taken off Noss Head, in the Moray Firth, at a distance of 104 miles. 



Thus, in the fourth quarter, twenty of the marked fish, or 10"2 per cent., were 

 recaptured, 11 (55 per cent.) at an average distance of 41 miles in the mean 

 direction N. 16" W. ; 7 (35 per cent.) at an average distance of 32 miles in the 

 mean direction N. 36^ E. ; and 2 (10 per cent.) to the south and west. 



Altogether, within the 12 months after liberation, 157 plaice, or 80"5 per cent., 

 were got, but the place of capture of 2 was not recorded. Of the remaining 155 

 (79*5 per cent), 107 (69 per cent.) were found to the north and west, 27 (17"4 per 

 cent.) to the south and west, 18 (11'6 per cent.) to the north and east, and 3 (1*9 

 per cent.) to the south and east. 



Particulars of all the marked plaice recaptured within the first 12 months are 

 set forth in the following table : — 



Of the remaining fish, 4 were recaptured in the remainder of 1911 . In October 

 a male was caught 38 miles to the north and west, ofi Buchanness, and a female 

 24 miles to the south and west. In November, a male, "nearly ripe," was taker 

 8 miles N.N.W. of Cape Wrath, at a distance of 190 miles. In December, a female, 

 also " nearly ripe," was got off Noss Head, Moray Firth, at a distance of 100 miles. 



Twenty-nine were recovered in 1912. In January, a male, " nearly ripe," was 

 caught north-east of Kinnaird Head, at a distance of 72 miles. Ten were taken in 

 February, 6 males, 3 females, and 1 of unknown sex. Seven had migrated to the 

 north and west, 2 to the north and east, and 1 to the south and west. Four, 2 males, 



