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Show Sardine' Foe Hunting the tuna fish was formerly done to protect sardines, which they devour In large numbers, but since the tuna is now popular for food, it is the basis of an important phase of the fishing Industry. . In the Mediterranean the tuna are detected by watchmen who sit In chairs on high extension steel ladders on the coast and relay word by telephone tele-phone when a school of fish Is sighted. By means of sardine bait, the fish are lured Into a bay, called the "death chamber." This chamber Is a square lnclosure of heary netting which Is closed at the entrance when a number of fish have been caught In it. Then the men, working from a float around j the net, km the tunnies with spears, j |