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The points on which I thought it important to obtain further information were the following : 1. The growth of the scales of salmon-parr and smolts prior to migration. 2. The first growth of the scales in the sea. 3. The formation of the annual rings in relation to the seasons of the year. 4. The question whether all spawning fish were so affected by their stay in the river, that a " spawning mark " would invariably be found on the scales of every salmon which had spawned.doi:10.5962/bhl.title.27730 fatcat:o32rnmaw2rekhiurr5nkc5v5rm