1901.] Magnetic Observations in Egypt, 1893—1901. 11 



Curves of Diurnal Variation of Declination. 



O 2 4 £ 8 10 IZ 14 1$ 18 <ZQ g-4 



Cairo, 



Abassia, 

 11 Aug., 1893. 



Kharga, 5 <v 

 22 Dec, 1893. 



*eris, 4 o 

 11 Jan., 1894. 



Kalabsha, ^°j 7 

 12 Feb., 1895. 



Korosko, j'j.y' 

 30 jS 7 ov., 1894. 



Abu Simbel, 4 °c^ 

 23 Feb., 1895. 



Wadi Haifa, j>- q 

 26 Feb., 1895. ^ 



Murrat Wells, j>^ 7 ' 

 9 Dec., 1894. aw 



...... 



\ 



O' |t 5' _ | AP^ £0' | gj 5' 



Scale of twenty-five minutes of arc. 

 Abbassia, Kharga, and Eeris observed with Declinatorium, the rest with Kew 

 pattern magnetometer. 



