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THE LIFE STORY OF AN OTTER

from its rigour. The pike, like the otters, revelled in the frost; but the tench, and the eels that had not gone to sea, felt its pinch, and the bream forsook their usual feeding-grounds. Where these gregarious fish had betaken themselves the otters never knew, but the eels and tench buried themselves in the mud and gave much trouble in the capture. Still, disagreeable though the process was, both these fish were to be had by patient searching in the ooze—at least, it was so at first; then the ground ice, which had gripped the stems of the weeds, spread and spread as the cold increased, until it formed an impenetrable layer over most of the bed of the mere. This followed on the withdrawal of the sea-fish to the warmer depths of the offing, inaccessible to the otters, which were thus caused no little uneasiness.

It was the closing of the breathing-holes however a few days later that seriously alarmed them, all but costing the dog-otter his life; for, never dreaming that he would be unable to reopen them at will as heretofore and get the air he needed, he made without misgiving for the best hunting-ground, far in beneath the ice-field, and after capturing a pike, swam unconcernedly to the nearest vent-hole. A single bump of his