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, d**k; 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 look," said the doctor, "at this impassable latitude, beyond which the most intrepid travellers could not make their way. There are thos