great lamp shone far out into the night, to cheer and guide all wanderers on the sea.
Close by the tower hung the fog-bell, which, being wound up, would ring all night, warningly. One day Dan found that something among the chains was broken; and, having vainly tried to mend it, he decided to go to the town, and get what was needed. He went once a week, usually, and left Davy behind; for in the daytime there was nothing to do, and the boy was not afraid to stay.
"A heavy fog is blowing up: we shall want the bell tonight, and I must be off at once. I shall be back before dark, of course; so take care of yourself, boy," said Dan.
Away went the little boat; and the fog shut down over it, as if a misty wall had parted Davy from his uncle. As it was dull weather, he sat and road for an hour or two; then fell asleep, and forgot everything till Nep's cold nose on his hand waked him up. It was nearly dark; and, hoping to find Dan had come, he ran down to the landing-place. But no boat was there, and the fog was thicker than ever.
Dan never had been gone so long before, and Davy was afraid something had happened to him. For a few minutes he was in great trouble; then he cheered up, and took courage.
"It is sunset by the clock; so I'll light the lamp, and, if Dan is lost in the fog, it will guide him home," said Davy.
Up he went, and soon the great star shone out above the black-topped light-house, glimmering through the fog, as if eager to be seen. Davy had his supper, but no Dan came. He waited hour after hour, and waited all in vain. The fog thickened, till the lamp was hardly seen; and no bell rung to warn the ships of the dangerous
