233 



on the east coast, near Montrose, 167 miles to the south and west ; the place of 

 capture of the other, a male, was not ascertained. 



Two fish were recaptured in 1911, a female in September, 4 miles to the north 

 and west, and a female in Noven\ber, 6 miles to the north and west. The last 

 fish for this experiment was a male, taken in June 1912, 16 miles north of Banff, 

 at a distance of 100 miles. 



The following table shows how all the fisli of the experiment were distributed 

 in each quadrant : — 



Distances mir/raled — 10 miles OMd under. — Four fish, or 22-2 per cent., were recap- 

 tured at from 1 to 6 miles, namely, 1 male and 3 females ; a male was found to the 

 north and east ; 1 female to the west, and the two others to the north and west. 



10 to 20 miles. — A female was taken 18 miles to the south and west. 



20 to 50 miles. — Six, or 33-3 per cent., were recaptured between these distances, 

 1 male at 46 miles to the north and west, and 5 females (41-6 per cent.), with an 

 average of 35-4 miles ; 3 to the south and west ; 1 to the north and west, and 

 1 to the north and east. 



50 to 100 mihs. — Two were taken, a male, 100 miles to the south and west, 

 and a female 53 miles to the south and west. 



Over 100 miles.— Five, or 27*7 per cent., were recaptured at distances over 

 100 miles ; three males (50 per cent.), with an average of 117-8 miles, and 2 females 

 (16-6 per cent.), with an average of 136 miles ; all were taken to the south and 

 west. 



Maturity. 



Males. — The condition of the testes was ascertained in only 2 of the 7 males 

 recaptured ; 1 taken near Foula, 46 miles to the north and west, in May 1911, 

 was " ripe " 



