SIR JAMES RAMSAY GIBSON MAITLAND, BART, F.L.S. & F.Z.S., 



WHOSE PRACTICAL KNOWLEDGE AND UNWEARIED ENERGY 



HAS ENABLED HIM TO INAUGURATE 



A FISH-FARM AT HOWIETOUN OF UNRIVALLED EMINENCE, 



BOTH AS A SCHOOL FOR FISH-CULTURE 



AND ICHTHYOLOGICAL RESEARCH, 



THIS WORK ON THE BRITISH AND IRISH SALMONID^ 



IS DEDICATED BY HIS OBLIGED FRIEND, 



THE AUTHOR. 



