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.

In 1909, by J. I. CRAIG. (Survey Department Paper, No. 17). 55 pp.,

1 map, 8 illustrations. Price, 100 milliemes.

=Special Papers on Meteorology.=

ATMOSPHERIC ELECTRICITY—DISCUSSION OF THE OBSERVATIONS

ON—AT HELWAN OBSERVATORY, FROM MARCH 1906 TO FEBRUARY 1908, by

H. E. HURST. (Survey Department Paper, No. 10). 65 pp., 2 maps,

8 illustrations. Price, 100 milliemes.

CLIMATE OF ABBASSIA, NEAR CAIRO, by B. F. E. KEELING. (Survey

Department Paper, No. 3). 1907. 61 pp., 1 map, 7 illustrations. Price,

100 milliemes.

EVAPORATION IN EGYPT AND THE SUDAN, by B. F. E. KEELING. (Survey

Department Paper, No. 15). 1909. 29 pp., 1 illustration. Price,

100 milliemes.

PLATINUM-RESISTANCE THERMOMETERS—REPORT ON THE USE OF—IN

DETERMINING THE TEMPERATURE OF THE AIR AT THE HELWAN OBSERVATORY,

by E. B. H. WADE. 1905. 20 pp., 5 illustrations. Price, 50 milliemes.

=Surveying.=

ALTITUDES—THE DETERMINATION OF—BY LEVELLING, by

E. M. DOWSON. (Technical Lecture). 1908. 23 pp., 6

illustrations. Price, 50 milliemes.

CADASTRAL SURVEY OF EGYPT, 1892-1907, by CAPT. H. G. LYONS. 1908. 421

pp., 30 maps, 16 illustrations. Price, 400 milliemes.

CADASTRAL SURVEY OF EGYPT—COMPARISON OF—WITH THOSE OF

SOME EUROPEAN COUNTRIES, by CAPT. H. G. LYONS. (Technical

Lecture). 1909. 24 pp., 8 maps. Price, 50 milliemes.

ERRORS OF OBSERVATION, by T. L. BENNETT. (Technical Lecture). 1908. 27

pp., 3 illustrations. Price, 50 milliemes.

LONGITUDE—DETERMINATION OF, by E. B. H. WADE. (Technical Lecture)

1908. 39 pp., 2 maps, 1 illustration. Price, 50 milliemes.

LONGITUDES—A FIELD METHOD OF DETERMINING—BY OBSERVATIONS OF THE

MOON, by E. B. H. WADE. (Survey Department Paper, No. 5). 1907. 47

pp., 9 illustrations. Price, 100 milliemes.

MAP-PROJECTIONS, by J. I. CRAIG. (Technical Lecture). 1909. 25 pp.,

1 map, 25 illustrations. Price, 50 milliemes.

MAP-PROJECTIONS—THE THEORY OF—WITH SPECIAL REFERENCE TO THE

PROJECTIONS USED IN THE SURVEY DEPARTMENT, by J. I. CRAIG. F.R.S.E.,

(Survey Department Paper, No. 13). 1910. 77 pp., illustrated. Price,

200 milliemes.

RELIEF ON MAPS—THE REPRESENTATION OF, by

CAPT. H. G. LYONS. (Technical Lecture). 1909. 19 pp., 5 maps. Price,

50 milliemes.

=Terrestrial Magnetism.=

MAGNETIC OBSERVATIONS IN EGYPT, 1895-1905, WITH A SUMMARY OF PREVIOUS

MAGNETIC WORK IN NORTHERN AFRICA, by B. F. E. KEELING. (Survey

Department Paper, No. 6). 1907. 65 pp., 4 maps. Price, 100 milliemes.

MAGNETIC OBSERVATIONS MADE FROM APRIL TO DECEMBER, 1907, AT HELWAN

OBSERVATORY. 8 pp. Price, 25 milliemes.

MAGNETIC OBSERVATIONS MADE DURING 1908 AT HELWAN OBSERVATORY. 11

pp. Price, 25 milliemes.

THE SAME FOR 1909. 11 pp. Price, 50 milliemes.

STANDARDIZATION OF THE MAGNETIC INSTRUMENTS AT HELWAN OBSERVATORY

DURING 1907, by H. E. HURST. (Survey Department Paper,

No. 8). 1908. 45 pp., 4 illustrations. Price, 100 milliemes.

=Miscellaneous.=

ANNUAL REPORTS ON THE WORK OF THE SURVEY DEPARTMENT, by the

Director-General, as follows: 1905, 120 milliemes; 1906, 1907,

1908 and 1909, 100 milliemes each.

CHEMISTRY OF THE RIVER NILE, by A. LUCAS, 1908. (Survey Department

Paper, No. 7). 78 pp., 1 map, 1 illustration. Price, 150 milliemes.

COLLECTION OF STATISTICS OF THE AREAS PLANTED IN COTTON IN 1909,

by E. M. DOWSON and J. I. CRAIG. 1909. English or Arabic. 77 pp.,

8 illustrations. Price, 150 milliemes each.

COLLECTION OF STATISTICS OF THE AREAS PLANTED IN COTTON IN

1910. 1910. English or Arabic. Price, 50 milliemes each.

PRESERVATIVE MATERIALS USED BY THE ANCIENT EGYPTIANS IN EMBALMING,

by A. LUCAS, F.I.C. (Survey Department Paper, No. 12). 1911. 59

pp. Price, 100 milliemes.

* * * * *

[Footnote: £ 1 = 975 milliemes; $ 1 = 200 milliemes; Mk. 1 = 48

milliemes; Fr. 1 = 38 milliemes.]

* * * * *

Imp. Nat. 4323-1910-250 br.

* * * * *

The principles and objects of geology, with special reference to the geology of Egypt · 第 17 / 17 题