NORTH SEA INVESTIGATIONS. 



99 



Box OF Plaice from Brown Ridges, October 2nd, 1895. 



Total number, 176. 



Length 

 in inches. 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



Males. 

 1 



6 

 25 



27 



10 



2 



Totals. 



4 

 18 

 55 

 63 

 29 



3 



71 



38 



176 



67 

 (40-3 per cent.) (21-6 per cent.) (SS'l per cent.) 



On November 18, I examined another sample, sent from Lowestoft to 

 me in London. The information given me, concerning the place of 

 capture, was that it was on the track of the Harwich boats, nearer 

 the Dutch than the English coast. This would be somewhere to the 

 west of the Hook of Holland. The condition of these plaice was 

 as shown in the following table : — 



Plaice from Lowestoft, November 18th, 1895. 

 Total number, 197. 



Malrs. 



Females. 



G7 35 33 62 



(34 per cent.) (17'8 per cent.) (16"7 per cent.) (31 "5 per cent.) 



197 



It is possible that, in this last sample, some of the males set dov/n as 

 immature would have become mature before the end of the spawning 

 season, but this is not a question of great importance. In both samples 



