29« 



south-east of Noss Head, 48 miles to the northwards, and another near Noss Head, 

 at a distance of 50 miles ; another female was recaptured about 5 miles off Sule 

 Skerry, on the north coast, at a distance of 106 miles ; and the remaining fish, a 

 male, was taken near the shore, off Nairn, 9 miles to the south and west. 



In this quarter, 21, or 39-6 per cent., were recaptured, the positions being known 

 for 20, or 37-7 per cent., of which 16 (80 per cent.) were found to the northwards 

 and eastwards, 3 to the north and west, and 1 to the south and west. 



Second Quarter. — Six males and 6 females were recaptured in March, 2 of the 

 males and a female near the entrance of the Dornoch Firth, 16 miles to the north- 

 wards, 2 males to the eastwards of Berriedale Ness, at a distance of 30 miles, a 

 female a little farther north at 37 miles, a female off Helmsdale, 23 miles to the 

 northwards, 2 males and a female off Burghead, 2| and 3 miles to the north and east, 

 a female on the north coast, off Whiten Head, at a distance of 105 miles, and another 

 on the west coast at Loch Inchard, a distance of 139 miles ; the mean rates of 

 movement of the 2 last were respectively 11*8 and 14-9 miles per 10 days. Two 

 males and a female were taken in April, both males, at 38 miles to the north and 

 east, in the neighbourhood of Smith Bank, and the female off the north coast, 16 

 miles E. by N. of Sule Skerry, at a distance of 107 miles. A female was recaptured 

 in May, but the position was not ascertained. 



In this quarter, 16 of the marked plaice were recovered, or 30'2 per cent., posi- 

 tions being given for 15 or 28'3 per cent., of which 14 (93-3 per cent.) were found to 

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



Third Quarter. — Two, or 3*8 per cent., were taken in this quarter, a male in 

 June, 3| miles from Trodday Isle, Skye, west coast, at a distance of 187 miles, the 

 rate of movement being 9-5 miles per 10 days, and a female in July, at a position 

 not ascertained. 



Fourth Quarter. — No fish was caught in September, October, and November, 

 Thus, in the 12 months, 39, or 73'6 per cent., were recaptured, the positions 

 being known for 35, or 66 per cent. Of these, 29 (82-8 per cent.) were found to the 

 north and east, 5 (14-3 per cent.) to the north and west, and 1 to the south and 

 west. 



Of the remaming fish, 1 was taken m 1914, and 10 in 1915. 



In December 1914, a male was captured on the north coast, off Whiten Head, 

 at a distance of 111 miles. 



In January 1915, a male was taken off Nairn, 10 miles to the south-west, 

 and in February, another male south-east of Berriedale Head, 27 miles to the 

 north and east ; a female was captured off Findhorn, 2 miles to the south and west, 

 in April ; and 4 females, all in the same locality, off Findhorn, in May, at distances 

 of from 2| to 5 miles to the south and west ; 2 females were caught in June, also 

 off Findhorn, at a distance of 2 miles, and in October, a male off Burghead, 3 miles 

 to the south and west. All the females taken in April, May, and June, off Findhorn, 

 are described as " spent." 



Distances travelled — 10 miles and under. — P'ifteen or 31 '2 per cent., were recap- 

 tured at distances of from 2 to 10 miles, 5 males (20 per cent.), with an average 

 of 5"4 miles, and 10 females (43*5 per cent.), with an average of 2 '6 miles ; 3 males 

 and 8 females were taken to the south and west, 2 males and 1 female to the north 

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



10 to 20 miles. — Thirteen fish, or 27'1 per cent., were found at distances of from 

 11 to 16J miles, 9 males (36 per cent.), with an average of 12-8 miles, and 4 females 

 (17'4 per cent.), \vith an average of 12*9 miles. Four of the males and all the females 

 were taken to the north and east, and 5 of the males to the north and west. 



Thus, 28 fish, or 58 "3 per cent., were got at distances under 20 miles, 14 (56 per 

 cent.) males, with an average of 10'2 miles, and 14 females (60*9 per cent.), with 

 an average of 5-6 miles. 



20 to 50 m,iles. — Fifteen fish, or 31*2 per cent., were recaptured at distances 

 of from 23 to 50 miles, 10 males (40 per cent.), with an average of 32*2 miles, and 

 5 females (217 percent.), with an average of 36-2 miles ; all the fish were taken to 

 the north and east. 



No fish was recovered between 50 and 100 miles, but 6 were taken at distances 

 over 100 miles, namely, 2 males (8 per cent.), with an average of 149 miles, and 4 

 females (17-4 per cent.), with an average of 114*5 miles. 



