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(_Enhydris lutris_), now nearly extinct, was at one time found in numbers along the north-west American coast, from the Aleutian Islands and Alaska to Oregon.
Another notable water beast of the British Columbia coast was the sea otter (_Enhydris_), described on p. 305.
Kamchatka-beaver (_Enhydris lutris_, Lin.) is a species neither of the otter nor the beaver, but belongs to a peculiar genus, allied to
1 The sea-otter (Enhydris marina) was first encountered by the expedition below the Dalles, Oct. 24, 1805.