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viii It has been known to travel fifteen miles in a night, and not infrequently the holts where it lies up during the day are ten or twelve miles apart.

On the way to its quarters it will linger to fish or hunt, and the remains of eel, salmon, pike, rabbit, moorhen or wild-duck mark the scene of the midnight feast. But no matter how much it may leave uneaten the otter never returns to a kill, and so escapes the traps with which gamekeeper or water-bailiff is sure to ring the ground about it. Unlike its congener the polecat, the otter does not hoard food; unless the caches of frogs occasionally found in marshes are its work, and not that of the heron as is generally supposed.

However that may be it is certain that it does not hibernate, but is abroad night after night the whole year round. Indeed, as often as not, the female produces her young in the depth of winter, and indefatigable forager though she is, must often be sore pressed to provide food for her litter. At times the conditions are too severe, and a tragedy ensues. At Mullyon, in Mount's Bay, one bitterly cold December, when the Poldhu stream was frozen and the sea too rough and discoloured for the otter to fish, the