The study of scales iii both salmon and trout is
still producing results, and a few experts can now read the life of a salmon in considerable detail merely from a microscopic examination of the scales. A side line of enquiry has been made into the classification of sea trout. In different places the local people are persuaded that so-called bull-trout and sewin are a different species from sea-trout. The belief in the individuality of the sewin is very dogmatic, for example, at Solva in South Wales where -a beautiful fish is caught from time to time and the idea is ridiculed that sewin and sea-trout are identical. Fish differ so much in condition and seem to be so influenced in appearance by particular waters that a final decision is difficult ; but investigations followed up by the most scientific methods during the year have quite persuaded some of the investigators that both the bull-trout and the sewitt are genetically identical with the sea-trout.
Previous page
