91 



Distances travelled. — Of the 66 fish, about which particulars exist, 10 (4 males 

 and 6 females), or 15 per cent., were recaptured within 10 miles of the station 

 the average distance being 4-5 miles. Eleven (3 males and 8 females), or 16 per 

 cent., were recaptured between 10 and 20 miles distant. Thus, 21 of the fish, or 

 31-3 per cent, of all those recaptured, were got within 20 miles of the place of Ubera- 

 tion (10 per cent, of the males and 21 per cent, of the females). 



20 to 50 miles. — Eleven (6 males and 5 females), or 16 per cent., of the fish were 

 recaptured between 20 and 50 miles of the station, the average distance being for 

 the males 35-5 miles and for the females 35 miles. 



50 to 100 miles. — Sixteen, or 24 per cent., of the total recaptured had migrated 

 distances of between 50 and 100 miles ; 3 were males which had moved respectively 

 58, 76, and 61 miles, all to the north-east ; 13 were females, of which 12 were of adult 

 size and 1 barely adult size ; all the females also had migrated in a north-easterly 

 direction, along the coast, for distances varying from 53 to 93 miles, the average 

 being 66 miles. 



