235 



In this quarter, 11, or 35'5 per cent., were recaptured, 8 (72-7 per cent.) to the 

 iiortli a)id west ; 2 to the soutli and west, and 1 to tlie nortli and east. 



Third Quarter. — A. female was recaptured in October, 6 miles to the north and 

 west, and in November, 2 males and 4 females ; 1 of the males and 1 of the females 

 were taken to the east of the Orkneys, at 41 and 40 miles to the south and west ; 

 the other male was recaptured off Duncansby Head at the entrance to the 

 Pentland Firth, 63 miles to the south and west, and the female was taken in the 

 Moray Firth, north of Kinnaird Head, 82 miles to the south and west. The 

 remaining 2 females were found 12 miles to the north and west. 



In this quarter, 7, or 22-6 per cent., were recaptured ; 4 (57'1 per cent.) to the 

 south and west, and 3 to the north and west. 



Fourth Quarter. — .4. male was recaptared in February 1912, in the Moray 

 Firth, 4 miles off Dunbeath, Caithness, 96 miles to the south and west. In March, 

 2 males were taken ; 1 at an unknown place in the " Moray Firth," and the other 

 also in the Moray Fiith, south-east of Noss Head, 76 miles to the south and west. 



In this quarter, 3, oi 9'7 per cent., were recaptared. 



In the 12 months, 22, or 70'9 per cent., were recaptured, the position being 

 known for all but 1 ; 11 (52'4 per cent.) were found to the north and west ; 9 

 (42-8 per cent.) to the south and west, and 1 to the north and east. 



Five were taken in the remainder of 1912, 1 in 1913, and 3 in 1914. In April 

 1912, a female was recaptured near Buchanness, 118 miles to the south and west, 

 and in May, 2 females, 1 east of the Orkneys, 42 miles to the south and west, and 

 the other off Rattra}^ Head, 104 miles to the south and west. In July, another 

 female was taken offshore, south-east of Buchanness, at a distance of 118 miles 

 to the south and west, and iii November, another female, offshore, east of the 

 Firth of Fortli, 188 miles to the south and partly east. In June 1913, after 808 

 days, a female was recaptured to the north of the Shetlands, near Balta, 84 miles 

 to the north and east. In January 1914, a female was taken 20 miles to the 

 south and west ; la May, a male, after 1132 days, 38 miles to the south and west, 

 east of the Orkneys, and the last fish, a male, was recaptured in December 1914, 

 after 1349 days, near Buchan3aess, 113 miles to the south and west. 



The chart of the lines of migration of this experiment, shows the general 

 movement to have bee-T first of all do the nortli and west, for short distances, 

 towards Fair Isle ; also to the south and west, to the east of the Orkneys and 

 into the Moray Firth, while a number of fish migrated to the southwards, 5 having 

 been taken in the vicinity of Rattray Head and Buclianness. and 2 farther to 

 the eastwards in the offshore waters. Two moved northwards to the north of 

 the Shetlands. None of the fish of this experiment was takoi on the north coast 

 of Scotland or on the west coast. 



[Table. 



