We had a scramble over a portion of the Farne Islands, on which there are two lighthouses at a considerable distance from each other.  There are three keepers belonging to the two, but only one remains on watch at a time; he has to attend to both lights, and has to walk from house to house.  The keeper showed us a curious contrivance by which he can at once rouse the sleeping keeper without leaving his own post.  It consists of a hand-bellows attached to a tube which rings a bell at the ear of the sleeper.  He told us that occasionally blackbirds and thrushes are killed by striking against the lantern.  We saw a number of rabbits running in and out of their burrows.  There is an old chapel which has been restored and another building, converted into a dwelling-house for the clergyman, who at times comes across from Durham.