40 



Ajopendices to Sixteenth Annual Report 



Artificial Propagation of Salmon — 



There is a small hatchery on the Brora, but it is chiefly used for hatching 

 Loch Leven trout. 



Proportion of Male to Female Salmon — 



No reliable statistics, but the proportion of males generally found to be the 

 larger. When netting for ova the proportion has often been found to 

 be five males to one female. 



General Question — 

 No. 



SUTHERLAND, NORTH COAST DISTRICT 

 Take of Fish— 



1. (a) and (h) Below the average; (c) and {d) about the average. 



2. {a) and (6) Salmon, 2,184; grilse, 8,138; trout, 206; cannot separate; 



(c) about 750, no certainty. 



3. (a) February; (h) May; (c) May to August. 



4. No information. 



5. {a) 23 lbs.; (6) 38 lbs.; (c; 27 lbs. 



Protection — 



1 and 2. No assessment. 



3. Six. 



4. No. 



Obstructions to the Passage of Fish — 



1. None. One partially erected at foot of Loch Naver, but not completed ; 



free access for fish still. 



2. None fished. 



3. Yes. 



4. No. 



5. Yes. 



6. No. 



7. Nothing. 



Pollutions — 

 None. 



The Salmon Disease — 

 No disease. 



The Spawning Season — 



1. 25th October. 



2. 31st October to 18th November. 



3. 1st December, a few noticed spawning on 25th December. 



4. Medium level. 



5. Less. 



6. Halladale to Grudie. 



Kelts— 



1. 15th March. 



2. April. 



3. May. 



4. Medium level. 



Smolts — 



1. From 10th to 30th May. 



2. About the average. 



Artificial Propagation of Salmon — 



No ; but one near, at Sandside, Caithness, capable of hatching 200,000 ova. 



Proportion of Male to Female Salmon — 

 About one-fifth more males than females observed during spawning season. 



