| Years 1898-1899, 1900, 1901, 1902, 1903 | Price, 250 mill. each. |
| Years 1904, 1905 (in two parts: Part I containing the readings taken at Helwan Observatory, Part II containing the readings for the rest of Egypt and the Sudan) | Price, 100 mill. each part. |
| Year 1906 (Part I, Helwan) | Price, 100 mill. |
| Year 1906 (Part II, Rest of Egypt and the Sudan) | Price, 150 mill. |
| Year 1907 (Parts I and II) | Price, 150 mill. each part. |
| Year 1908 (Parts I and II) | Price, 150 mill. each part. |
Nile Flood.
Measurement of the Volumes Discharged by the Nile during 1905 and 1906, by E. M. Dowson; with a note on Rating Formulæ for Current-Meters, by J. I. Craig. (Survey Department Paper, No. 11). 82 pp., 6 illustrations. Price, 100 milliemes.
Rains of the Nile Basin:—
In 1904, by Capt. H. G. Lyons. 25 pp., 1 map, 5 illustrations. Price, 50 milliemes.
In 1905, by Capt. H. G. Lyons. 40 pp., 4 maps, 5 illustrations. Price, 50 milliemes.
Rains of the Nile Basin and the Nile Flood:—
In 1906, by Capt. H. G. Lyons. (Survey Department Paper, No. 2). 70 pp., 5 maps, 11 illustrations. Price, 100 milliemes.
In 1907, by Capt. H. G. Lyons. (Survey Department Paper, No. 9). 50 pp., 1 map, 11 illustrations. Price, 100 milliemes.
In 1908, by Capt. H. G. Lyons. (Survey Department Paper, No. 14). 69 pp., 1 map, 8 illustrations. Price, 100 milliemes.