(ii) General Description (down stream); Albert Nyanza to Mediterranean 16 (iii) River Discharges 17 (iv) Navigability: Boats and Steamers; Landing Places 19 (v) Climate: Winds; Temperature 21 (vi) Detailed Description (up stream); Section (1). — Halfa to Merowe 22 (2). — Merowe to Khartoum 35 Description of Khartoum and Omdurman 47 (3). — Khartoum to Lake No 52 (4). — Lake No to Gondokoro. (_Garstin_ and _Lyons_) 73 CHAPTER III. NORTH-EASTERN SUDAN. (_Morant._) (Country bounded on the north by the Sudan-Egyptian frontier, on the west by the Nile from that frontier to the mouth of the Atbara, on the south by the Atbara and Abyssinian and Eritrean frontiers, and on the east by the Red Sea.) Section 1. — Country between Halfa and the Atbara mouth, along the Nile banks. (_Jackson_, _Hayes-Sadler_, etc.) 83 „ 2. — Country between Halfa, Berber, Suakin, and the intersection of the 22nd parallel with the Red Sea:— (_a_) Between the Railway and the Nile. (_Talbot_) 85 (_b_) East of the Railway (or “the Atbai”). (_Talbot_, _Bramly_, _Longfield_) 86 (_c_) The Bisharin. (_Bramly_) 91 (_d_) The Ababda. (_Hopkinson_ and _Bramly_) 93 „ 3. — Suakin and District (_Playfair_, _Kerr_, etc.) 94 „ 4. — Country between the Berber-Suakin road, the Atbara, and the Abyssinian and Eritrean frontiers:— (_a_) Country between the Berber-Suakin road and latitude of Kassala. (_Parker_) 96 (_b_) Kassala 97 (_c_) The Khor Gash 99 (_d_) Country south of Kassala to the Setit 99 (_e_) „ „ the Setit 99 (_f_) The Atbara and Tributaries 100 CHAPTER IV. CENTRAL EASTERN SUDAN. (_Morant._) (Country between the Nile and Abyssinia, bounded by the Atbara and the Blue Nile.) Section 1. — Country between the Atbara and the Niles, from El Damer southwards to the Abu Haraz-Sofi line 103