Chapter 41 The Approaches to Senegal.—The Balloon sinks lower and lower.—They keep throwing out, throwing out.—The Marabout Al-Hadji.—Messrs. Pascal, Vincent, and Lam-bert.—A Rival of Mohammed.—The Difficult Moun-tains.—Kennedy's Weapons.—One of Joe's Man-oeuvres.—A Halt over a Forest. On the 27th of May, at nine o'clock in the morning, the coun-try presented an entirely different aspect. The slopes, extend-ing far away, changed to hills that gave evidence of mountains soon to follow. They would have to cross the chain which sep-arates the basin of the Niger from the basin of the Senegal, and determines the course of the water-shed, whether to the Gulf