of the Fishery Board for Scotland. 



265 



Obstructions to the Passage of Fish— 



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



2. Are the bye-laws observed in every case 1 — As far as possible. 



3. Fish passes built or in prospect — None. 



4. Natural obstructions not yet dealt with are : — Carron fall at Amat and 



Glenmuick fall on the Cassley. 



The Salmon Disease— 



1. Disease made its appearance this year in the month of June, and reached 



its height in September. 

 The river was free of diseased fish in November. 



2. The number of diseased fish taken from the river and destroyed was 25 



kelts, being 19 males and 6 females. 



The Spawning Season- - 



1. Fish were first noticed spawning on 9th September. 



2. The greatest number spawned between 20th October and 5th December. 



3. Spawning ceased 16th December. 



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



spawning season is regarded as far above the average number. Waters 

 were in flood most of the time. 

 Smolts— 



1. Smolts were noticed to be migrating seawards in May. 



2. As a smolt year 1911 was above the average. 



COUNTY OF SUTHERLAND— NORTH COAST (RIVERS HALLA- 



DALE, NAVER, BOUGIE, KIN LOCH, AND HOPE). 

 Take of Fish— 



1. An average year. 



2. The actual number of fish caught has been as follows : — 



(a) By fixed engine — 530 salmon, 1647 grilse, and 5 trout. 



(b) By sweep net — 1126 salmon, 3117 grilse, and 63 trout. 



(c) By rod and line — 566 < salmon, 110 grilse, and 1107 trout. 



3. Expressed as percentages for each month of the season, so as to show the 



times of greatest run, the figures are : — 





Feb. 



Mar. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 





[ Salmon 







6 



21 



56 



16 



1 





By Fixed Engine - 



Grilse 











55 



42 



3 





[Trout 









20 



60 



20 









f Salmon 









28 



39 



33 







By Sweep Net . 



Grilse 











27 



72 



"i 





[Trout 









"3 



21 



76 









f Salmon 



4 



29 



32 



15 



6 



4 



4 



6 



By Rod and Line - 



& Grilse 











10 



57 



17 



16 



[Trout 









2 



3 



54 



26 



15 



Particulars as to the times grilse and sea trout appeared, as included in the 

 above return, are as follow : — First grilse caught 6th May, by bag-net ; 

 first sea trout caught in April, by rod and line. 

 4. The weight of the heaviest salmon taken during the season was 30 lbs. 



The particulars of time and place of capture are : — June, in bag-net east 

 from Bighouse Head. 



Protection— 



1. The assessable rental for 1911 was £1420 per Valuation Roll, but angling 



mostly let with shootings and not apportioned at full value. 



2. No assessment levied. 



3. The water bailiffs employed are 3 in number, in addition to keepers who 



assist in the watching. 



