250 



Appendices to Thirtieth Annual Report 



prosecution for attempting to take fish by means of a scum net. 

 Accused convicted and fined 30s. (inclusive of 21s. 2d. of expenses), 

 with the alternative of live days' imprisonment, and net forfeited. 



Obstructions to the Passage of Fish— 



1. Dam dykes disused, built, or in prospect — None. 



2. Are the bye-laws observed in every case ?--Yes. 



3. Fish passes built or in prospect — None. 



4. Natural obstructions not yet dealt with are : — Burn "loups" on North Esk, 



about 12 miles from mouth. "Loups" on West Water (tributary), about 

 12 miles from mouth. 



Pollutions— 



1. The principal existing source of pollution is the effluent from North Esk 



Distillery (when working), about a mile from the mouth of the river. 



2. Remedial measures : — Filtering tanks. 



The Salmon Disease— 



1. Disease made its appearance in the month of November, 1910, and reached 



its height in January, 1911. 

 The river was free of diseased fish in April, but appeared again in June 

 and continued until about the end of July. 



2. The number of diseased fish taken from the river and destroyed was as 



follows : — 



Males. Females. 



Kelts, 660 275 



Clean, 8 16 



The Spawning Season— 



1. Fish were first noticed spawning on 11th November, 1910. 



2. The greatest number spawned during December, 1910, 



3. Spawning ceased in February, 1911. 



4. As regards numbers of breeding fish, and state of the water, the past 



spawning season is regarded as a fair average. 



Smolts— 



1. Smolts were noticed to be migrating seawards in April, May, and June. 



2. As a smolt year 1911 was very good. 



REPORT FROM BERVIE DISTRICT. 



Take of Fish— 



1. (a) By fixed engines in the sea — Salmon, grilse, and sea trout above 



average. 



(6) By sweep net in tidal or fresh waters — Average, 

 (c) By rod and line — Average. 



3. Particulars as to the times grilse and sea trout appeared are as follow : — 



The first grilse was taken in the sea on 12th April, being about six 

 weeks earlier than usual. Sea trout were got in abundance about the 

 middle of June, a fortnight later than last year. 



4. The weight of the heaviest salmon taken during the season was 44| lbs. 

 The particulars of time and place of capture are : — On 12th August, in a 



bag-net at Gourdon. 



Protection— 



1. The assessable rental for 1911 was £1095 13s. 



2. The assessment levied was 15 per cent. 



3. The water bailiffs employed are 5 in number. 



4. Particulars as to prosecutions instituted are briefly as follow : — Two 



cases, implicating five men. One case against four men for using rake- 

 hooks, in which conviction obtained against two of the men. As 

 regards one of the men, action found not proven ; the other man found 

 not guilty. The other case against one man for using a gaff ; conviction 

 obtained. 



