of the Fishery Board for Scotland. 



13 



Obstructions to the Passage of Fish— 



1. Dam dykes disused, built, or in prospect : — As last year. 



2. Are the bye-laws observed in every case ?— No. The bye-laws regarding 



hecks at intakes and outlets of mill lades are not properly observed. 



3. Fish passes built or in prospect : — One in prospect on Airthrey Paper Mill 



dam dyke, Bridge of Allan. 



4. Natural obstructions not yet dealt with are : — Kippenross old cruive on the 



River Allan. 



Pollutions- 



1. The existing pollutions are : — Sewage from the different towns on the banks 

 of the Forth and its tributaries, and chemicals from bleachworks, dye- 

 works, paper mills, distilleries, and coal pits. 



The Salmon Disease— 



1. Disease made its appearance this year in the month of November 1907, and 



reached its height in January 1908. 

 The river was free of diseased fish in end of March. 



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



follows : — 



Males. Females. 

 Kelts, 479 145 



The Spawning Season— 



1. Fish were first noticed spawning at end of October. 



2. The greatest number spawned in January. 



3. Spawning ceased at end of February. 



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



spawning season is regarded as about the average ; very high ; the past 

 spawning season not very favourable owing to disturbance of the spawning 

 beds with high floods during most of the spawning season. 



Smolts— 



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



July. 



2. As a smolt year 1908 was about the average. 



REPORT FROM TAY DISTRICT. 



Take of Fish - 



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



trout were got from the start, but chief takes in June. Grilse end of 

 May, and a small crop. Chief run in July. 



4. The weight of the heaviest salmon taken during the season was 62| lbs. 

 The particulars of time and place of capture are : — Caught by net and coble 



at Rushbush fishing station, near mouth of Earn, on 17th June (a male 

 fish in excellent condition). 



Protection— 



1. The assessable rental for 1908 was £23,508 12s. 



2. The assessment levied was £1645 12s. 3d., being at the rate of 7 per cent. 



3. The water bailiffs employed are 24 in number. 



Obstructions to the Passage of Fish— 



1. Dam dykes disused, built, or in prospect — Inveralmond dam dyke washed 



away by flood on 18th January 1909. 



2. Are the bye-laws observed in every case 1 —No change since last report. 



3. Fish passes built or in prospect : — Falls of Garry made easier and more 



salmon getting up. 



Negotiations for fish pass at Falls of Tummel in progress, with every 

 expectation of the pass being available by another season. 



4. Natural obstructions not yet dealt with are : — Falls of Tummel. 



