239 



The last fisli to be taken was a male, which was caught on the west coast of 

 Scotland, 5 niiles N. by W. of Ku Stoer, south-west of Cape Wrath, at a distance of 

 178 miles to the south and west. 



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

 in each quadrant : — 



Distances travelled. — None was recaptured under 10 miles, and only 1 under 

 20 miles, a male taken 18 miles to the north and west. 



20 to 50 miles. — Eight, or 19-5 per cent., were found at distances of from 23 to 

 46 miles ; 3 males (21 "4 per cent.), with an average of 41 miles, and 5 females (19"2 

 per cent.), with a mean of 30 miles ; 2 males were taken to the north and west ; 

 1 male and all the females to the south and west. 



50 to 100 viiles. — Sixteen, or 39 per cent., were taken at distances of from 58 

 to 98 miles ; 3 males (21-4 per cent.), with an average of 75*3 miles, and 13 females 

 (50 per cent.), \dth an average of 77-8 miles ; 2 of the males and 8 of the females 

 were found to the south and west, 3 females to the south and east, 1 female to the 

 north and west, and 1 to the north and east, and 1 male to the west. 



Over 100 miles. — Sixteen, or 39 per cent., migrated distances of from 101 to 

 397 miles, viz. 7 males (50 per cent.), vnth an average of 171 miles, 8 females (30-8 

 per cent.), with a mean of 143 miles ; and 1 of unknown sex, which wxnt 230 miles 

 to the south and west ; 6 of the males and all the females migrated to the south 

 and west, and 1 male to the south and east. 



Maturity. 



Males. — The condition of the testes was ascertained in 11 of the 14 recaptured. 

 Two were " spamiing," 1 taken in March 1912, at the Shetlands, 46 miles to the 



