Chapter 19 The Nile.—The Trembling Mountain.—A Remembrance of the Country.—The Narratives of the Arabs.—The Nyam-Nyams.—Joe's Shrewd Cogitations.—The Balloon runs the Gantlet.—Aerostatic Ascensions.—Madame Blanchard. "Which way do we head?" asked Kennedy, as he saw his friend consulting the compass. "North-northeast." "The deuce! but that's not the north?" "No, Dick; and I'm afraid that we shall have some trouble in getting to Gondokoro. I am sorry for it; but, at last, we have succeeded in connecting the explorations from the east with those from the north; and we must not complain." The balloon was now receding gradually from the Nile. "One last