CONTENTS ix 



CHAPTER VI 



The Salmon and Water Temperature 



Early and late rivers — Rivers made late by man — Temperature 

 of the sea round Scotland — Temperatures of early and late 

 Scottish rivers — Temperature no indication of seasonal 

 character — ESects of temperature on fish ascending rivers — 

 Early runs of fish in upper waters, Garry and Orchy — 

 Effects of cold water upon ascending fish — The entrance of 

 tributaries from main river — Rapid ascent of summer fish — 

 Sea lice may remain attached for four or five days 



Pp. 125-145 



APPENDIX 



A record of salmon marking in Scotland previous to the opera- 

 tions of the Fishery Board in 1896 • . Pp. 147-157 



INDEX 159-160 



