158 



1, of 36-5-37-3 cm., was found, after 57 days, 6| miles to the north ; 1, of 44-5-44 

 cm., was taken, after 74 days, 30 miles distant, south and east of Aberdeen ; after 

 79 days, another, measuring 42-5-41 cm., and described as " immature," was got 

 near the same place, at a distance of 33 miles ; and the remaining one, of 44-44 cm., 

 was recaptured, after 65 days, farther offshore, at a distance of 31 miles. 



In this quarter, therefore, 14 of the marked plaice, or 25-9 per cent, of the tota'', 

 were recovered, 6 (42-8 per cent.) to the north and east (mean direction, N. 26°E.) ; 

 6 went to the south and west (mean direction, S. 39° W.) ; 1 was found to the north 

 and west ; and 1 to the south and east. 



Second Quarter. — Three females and a male were taken in September 1913, the 

 male, of 40-40 cm., after 83 days, south-east of Tod Head, at a distance of 24 nules 

 to the north and west. One of" the females, masuring 38-5-39-9 cm., was recaptured 

 after 103 days, at a distance of 11 miles to the M^est and south ; another, of 38-39-3 

 cm., was taken, after 95 days, to the east of the Isle of May, at a distance of 24 miles 

 from the station ; another "female, of 41-5-41-3 cm., was recaptured, after 107 days, 

 offshore, 35 miles to the north and east. 



In October, 4 were recaptured, 1 male and 3 females. The male, of 27-5-29-7 

 cm., was taken, after 127 days, close to the Bell Rock, at a distance of 27 miles to 

 the north and west ; 1 of the females, measuring 41-40-5 cm., was got, after 113 

 days, east of the Isle of May, at a distance of 23 miles to the south and west ; another, 

 of 37-40-7 cm., was caught, after 137 days, 30 miles to the eastwards, in the off shore 

 waters ; the remaining female, which measured 42-5 cm. on liberation, was caught, 

 after 120 days, in the Firth of Forth, off Portobello, at a distance of 62 miles. 



None was taken in November. 



In the second quarter, then, 8 fishes, or 14-8 per cent., were recovered, 4 

 (50 per cent.) to the south and west, 2 to the north and west, and 1 each to the north 

 and east and south aiid east. 



Third Quarter.— A male and a female were taken in January 1914 ; the male, 

 which measured 45-44-7 cm., was " spawning," and was recovered, after 226 days, 

 in the Moray Firth, off Banff, at a distance of 108 miles ; the female, of 46-5-48-5 

 cm., was " spent," and was recaptured, after 228 days, offshore, to the south-east of 

 Aberdeen, at a distance of 37 miles. A male was taken in February, after 261 days, 

 in the Moray Firth, off Brora, at a distance of 149 miles ; it measured 40-41-2 cm., 

 and Avas " spawning." 



Thus, in this quarter, only three fishes, or 5-5 per cent., were recovered, all to 

 the north and east. 



Fourth Quarter.— Thvee males and 3 females were got in March 1914. One of 

 the males, which measured 39-5-40-8 cm., was taken, after 262 days, 20 miles north- 

 east of Scarborough, at a distance of 121 miles to the south and east ; the condition 

 of its testes was not recorded ; another male, which measured 36-38-3 cm., and 

 was " spawning," was caught, after 277 days, south-east of Aberdeen, at a distance 

 of 31 miles ; the third male, of 40-40 cm., was found 11 miles E. f S. of Clyth Ness, 

 in the Moray Firth, at a distance of 133 miles,after 275 days ; the condition of the 

 testes was not ascertained. One of the females, which measured 43-5-44-6 cm. 

 and was " spawning," was recaptured, after 268 days, 4 miles E.S.E. of Ord Head, 

 in the Moray Firth, at a distance of 141 miles ; another, of 41-5-45-9 cm., and 

 " spawning," was taken, after 267 days, south-east of the Bell Rock, at a distance of 

 24 miles ; the remaining female, which was 40-5-41-6 cm., was taken offshore, to 

 the east of St. Abb's Head, after 277 days, at a distance of 16 miles ; the condition 

 of the ovaries was not recorded. 



In April, 3 females and 1 male were recaptured. The male, of 31-5-36-5 

 cm., and "immature," was caught near the Bell Rock, at a distance of 33 miles, 

 after 307 days. One of the females, which measured 45-5-48-6 cm., and was de- 

 scribed as " immature," was taken 11 miles to the west and north, after 313 days ; 

 the other 2 females were taken off the coast of Aberdeen, 1, of 39-41-8 cm., and 

 " spent," near Buchanneps, at a distance of 62 miles, after 306 days, and the other, 

 also "spent," offshore to the south-east of Buchanness, at a distance of 68 miles, 

 after 314 days. 



Four females were recaptured in May ; one, measuring 48-5-50-9 cm., and 

 " spent," after 344 days, 151 i^iies to the north and east ; another, of 39-5-41-5 cm., 

 and also " spent," after 336 days, north of Aberdeen, at a distance of 54 miles ; 



