After a few moments' silence, during which I dared not question him, he resumed: "I was thinking of that. Ever since we arrived at Stapi I have been occupied with the important question you have just opened, for we must not be guilty of imprudence." "No, indeed!" I replied with forcible emphasis. "For six hundred years Snæfell has been dumb; but he may speak again. Now, eruptions are always preceded by certain well-known phenomena. I have therefore examined the natives, I have studied external appearances, and I can assure you, Axel, that there will be no eruption." At this positive affirmation I stood amazed and speechless. "You don't doubt my word?" said my uncle. "Well, follow me." I obeyed like an automaton. Coming out from the priest's house, the Professor took a straight road,