174 AUTHORITIES No. 98 - Anglo Egyptian Sudan 9 (6) Article, “ Nuba," in Hastings ': Encyclopædia of Religion and Ethics , vol . IX . London , 1917 . TUCKER , A. W. , and C. S. MYERS. A Contribution to the Anthropology of the Sudan . (Journal of the Royal Anthro pological Institute , XL, 1910 , pp. 141-163 . ) WESTERMANN, DIEDRICH . The Shilluk People, their language and folklore. With grammar and dictionary. Berlin , 1912 . WILSON , Sir C. W. On the Tribes of the Nile Valley north of Khartoum . (Journal of the Royal Anthropological Institute, August , 1887.) NOTE . — There is also much ethnographical information in some of the works already mentioned in Bibliography ( 1 ) ; above all , in Gleichen's Anglo -Egyptian Sudan and the two official handbooks to the Bahr el-Ghazal and Kordofan .

-Maps A map of Anglo -Egyptian Sudan , on the scale of 1 :3,000,000 (G.S.G.S., No. 2692), was published by the War Office in July 1914 . Alterations in the north -western frontier, separating Anglo -Egyptian Sudan from the territories of France and Italy, being under discussion , the frontier in this direction (as marked in the map) must be regarded as temporary.