48 



Appendices to Twenty -second. Annual Report 



Artificial Propagation of Salmon — 



About 65,000 ova put into the hatchery at Fish Street, Aberdeen, before the 

 close of the year 1902. About 90 per cent, of these successfully 

 hatched and put into the rivers Dee and Don in first week in June, 

 1903, from 10 to 15 miles above the estuaries. The hatchery is 

 carried on at the mutual expense of the Dee and Don District 

 Boards. 



Proportion of Male to Female Salmon — 

 Can give no information on these points which would be specific enough to 

 of any value. 



General Question — 

 No. 



No changes. 



THE DISTRICT OF THE RIVER YTHAX. 

 Take of Fish — 



1. (a) Rather above the average ; (6) above the average ; (c) rather above the 



average ; (d) above the average. 



2. (a) and (6) No'; (c) about 200 salmon. 



3. (a) 25th February; (b) about May ; (c) July and August. 



4. It is regretted that this information cannot be obtained. 



5. (a) It is regretted that this information cannot be obtained ; (b) 1 



salmon, 43 lbs., a male ; 1 salmon, 31 lbs., a male. 



6. Just about the same as in former years. 



Protection — 



1. £1389. 



2. £171 7s. 



3. Five. 



4. Two prosecutions were instituted by the Board for contraventions of the 



18(58 Act. In each case the prosecution was successful, the accused 

 being fined, and having to pay the expenses. 



One prosecution was instituted by the Procurator-Fiscal for a contra- 

 vention of the recent Fresh Water Fishery Act, on information 

 supplied by the Board, and the accused was found guilty and fined. 



Obstructions to the Passage of Fish — 



1. None. 



2. There are no cruives, and the dams are satisfactorily worked. 



3. None. 



4. All except one, and it is to be altered next summer. 



5. None. 



6. None. 



Pollutions — 



1. No. 



2. No such steps were necessary. 



The Salmon Disease — 



L Yes. First seen on 10th December 1902. Was at height in March, and 



disappeared about end of April. 

 2. The river was at a low level. 



2. There were 90 fish removed from the river, of which 87 were salmon, and 

 3 sea-trout. 66 were males and 24 were females, 87 were diseased and 

 3 not diseased. 



