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176 a foot in width, or crunch with her pebble-like teeth into the white meat of the vast, armored crabs of those seas. Another one of her favorite foods was the sea urchin—that chestnut burr of the sea. Protected by a bristling hedge of steel-sharp spines, it would seem safe from any attack. Yet, just as the squirrel on land opens without injury the real chestnut burr, so the sea otter had learned the combination which unlocked this little spiked safe of the sea, and devoured with much relish every one she could find.

As the weeks went by, the larder of the kelp-bed began to empty. The clam-beds had been stripped, the sea urchins were gone, and the fish had learned to keep away. Little by little, the mother otter hunted farther and farther from the safety of the kelp; until there came a day when, driven by hunger, she followed a fleeing pollock out into the open sea. The big gleaming fish, with the black line along its silver sides, swam far and fast. Yet, if the otter had not been hampered by her clinging cub, the chase would have been a short one. As it was, she did not overtake the fugitive until it was fully a quarter of a mile away from the kelp. In desperation it swam down into the lower depth, until the dull green of the water changed to black; but always the weasel of the sea was hard on its track, following the phosphorescent trail which the fleeing fish left behind.

Suddenly, as the pollock dived to even lower depths, in the hope that the water-pressure might drive back its pursuer, a grotesquely horrible head thrust itself