Abstract
This report embodies the results of salmon tagging experiments made by three guard ships of Bureau of Fisheries, Kaihô-maru, Syunkotu-maru and Syôhô-maru and by a training ship belonging to Hakodate Colledge of Fisheries, Osyoro-maru in the east and west. sides of Camehatska in 1937 and 1938.