TWENTY-FOURTH ANNUAL REPORT. 



TO THE EIGHT HONOURABLE 



JOHN SINCLAIR, M. P., 



His Majesty's Secretary for Scotland. 



Office of The Fishery Board 



for Scotland, 

 Edinburgh, 30th August 1906. 



Sir, 



In continuation of our Twenty-fourth Annual Eeport, 

 we have the honour to submit — 



PART III. — SCIENTIFIC INVESTIGATIONS. 



GENERAL STATEMENT. 



This, the third part of the Twenty-fourth Annual Report, deals 

 with the scientific investigations conducted by the Board in 1905, 

 so far as they have been completed, by means of the Parliamentary 

 Vote granted for the purpose. 



The scientific work has, as usual, been carried out under the 

 supervision of Dr. T. Wemyss Fulton, the Scientific Superintendent 

 under the Board, the researches having been for the most part 

 undertaken at the Marine Laboratory at Aberdeen, in the Moray 

 Firth, and the Firth of Clyde. The sea-fish hatchery, which is 

 also situated at Aberdeen, was reconstructed during the year in 

 connection with the formation of a new road at the Bay of Nigg 

 by the Town Council of Aberdeen and at their expense, as described 

 below, where a statement of the hatching operations will also be 

 found. 



In the Firth of Clyde, and more particularly in Lochfyne, an 

 investigation into the natural history and migrations of the herring 

 was continued, with the view of ascertaining if possible the cause 

 of the decline in the yield of the herring fishery there in recent 

 years, and whether any regulations affecting the time or methods 

 of fishing would be likely to be beneficial to the fishery as a whole. 

 As stated in the first part of this Report, the catch last year was 



