List of publications of Physical Department (including Helwan Observ atory Bullettins) end of vols 3, 4, & 7.

Errata slips included.

Bibliography at end of vols. 1 & 5.

--V.1: General description of the Basin, metrology, topography of th e White Nile basin. --V.2: Measured discharges of the Nile and its trib utaries fom 1928-1932; 1933-1937; 1938-1942 (3rd supplement by H. E. Hu rst and R. P. Black). --V.3: Ten-day maen and monthly mean gauage readi ngs of the Nile and its tributaries up to 1932; for the years 1933-1937 and normals for the periods 1912-1937; for the years 1938-1942 and nor mals for the period 1912-1942 ( by H. E. Hurst and R. P. Black). --V.4: Ten-day mean and monthly discharges of the Nile and its tributaries. - -V.4: supplements.Ten-day mean and monthly discharges of the Nile for t he years 1928-1932; for the years 1933-1937 and normals for the period 1912-1932; for the years 1933-1937 and normals for the period 1912-1937 ; for the years 1938-1942 and normals for the period 1912-1942 ( by H.E . Hurst and R.P. Black). --V.5: The hydrology of the Lake Plateau and B ahr-El-Jebel. --V.6: Monthly and annual rainfall totals and numbeer of rainy days at stations in and near the Nile Basin for the period of the ending 1937, by H. E. Hurst and R. P. Black. --V.7: The future.