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The threat to the Scottish rivers is perhaps not so serious as against the small domestic rivers near London ; but a beneficent change begins to be seen. The Lee commissioners are very watchful ; and the authorities of the New Drainage areas are making the closest investigations. In the latest version of the Regional plans for Hertfordshire peculiar emphasis is laid on the river valleys which are to be kept, so far as may be, virgin. Trout now flourish in some valleys, from which they had quite disappeared, though the dread disease of furunculosis, as is probable, has wholly killed off all the fish in other streams. While this battle for preserva- tion is going-well near London, the plaint of offences against the Tweed has never been more vocal.
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