100 No. 96 APPENDIX 3. To the west by the Congo Free State , and by the western watershed of the basin of the Upper Nile .

ARTICLE II In order to render effective the delimitation recorded in the preceding Article , Germany withdraws in favour of Great Britain her Protectorate over Witu . Great Britain engages to recognize the sovereignty of the Sultan of Witu over the territory extending from Kipini to the point opposite the Island of Kwyhoo, fixed as the boundary in 1887 .

Germany also withdraws her Protectorate over the adjoining coast up to Kismayu , as well as her claims to all other territories on the mainland, to the north of the River Tana, and to the Islands of Patta and Manda .

ARTICLE XI > Great Britain engages to use all her influence to facilitate a friendly arrangement, by which the Sultan of Zanzibar shall cede absolutely to Germany his possessions on the mainland comprised in existing Concessions to the German East African Company, and their dependencies, as well as the Island of Mafia .

It is understood that His Highness will, at the same time, receive an equitable indemnity for the loss of revenue resulting from such cession. Germany engages to recognize a Protectorate of Great Britain over the remaining dominions of the Sultan of Zanzibar, including the Islands of Zanzibar and Pemba , as well as over the dominions of the Sultan of Witu , and the adjacent territory up to Kismayu, from which her Protectorate is withdrawn. It is understood that if the cession of the German coast has not taken place before the assumption by Great Britainof the Protectorate of Zanzibar , Her Majesty's Government will, in assuming the Protectorate , accept the obligation to use all their influence with the Sultan to induce him to make that cession at the earliest possible period in con sideration of an equitable indemnity.

ARTICLE XII Subject to the assent of the British Parliament, the sovereignty over the Island of Heligoland, together with its dependencies , is ceded by Her Britannic Majesty to His Majesty the Emperor of Germany.

[Note.-- An Act of Parliament was passed on August 4 , 1890 , to carry this Agreement into effect. 53 and 54 Vict. , c . 32.]