16 Capt. H. G. Lyons. [June 6 r 



V. Secular Variation of Declination. 



Place. 



Ob server. I Date. 



Declination i Chan Se 

 per 















" 



7 





Qnesnot and 



1798 



13 



6 







— 





Nonet. 















P 



1842 



8 



24 







-6 4 





Giissfeldt. 



1876 



5 



55 



9 



-4-4 





Capt. Leslie, 



1890 



5 



3 







-3-8 





E.E. 













(Eamleh) 



d'Abbadie. 



1884 



5 



6 



2 



— 





Russegger. 



1839 



9 



2 







— 



„ (Old Cairo) .. 



d'Abbadie. 



1885 



5 



15 

 28 



i- 



8 J 



-4-8 



Abbas sia .... 



H.G.L. 



1895 



4 



5 







-7-7 



„ J. Moqattam. . 



a AbDaclie. 



1885 



4 



56 



5 





H.G.L. 



1893 



4 



36 







-2-5 



,, Great Pyramid 



d'Abbadie. 



1885 



4 



4S 



9 





11 5) 11 



H.Gr.L. 



1893 



4 



32 







-2-1 



3 ! 11 11 



H.Gr.L. 



1901 



3 



48 



6 



— 5 5 





H.Gr.L. 



1893 



4 



27 



7 







Mean for 



1899 



4 



11 



o 



-27 





1899. 















Cailiiand. 



1819 



12 



30 











Jordan. 



1874 



7 



33 







-5-4 



Mandisba (Baharia I 

 Oasis) 



Assiut 



Kbarga (Kbarga 

 Oasis) 



Mnt (Dakbla Oasis) 



Cailiiand. 



1819 



12 



11 









Jordan. 



1874 



6 



34 



8 



-6-1 



H.G.L. 



1894 



5 



8 



9 



-43 



Cailiiand. 



1819 



12 













Jordan. 



1874 



5 



42 







-6-9 



d'Abbadie. 



1885 



5 



45 



9 





H.G.L. 



1893 



4 



49 







-2-7 



Lnxor 



Cailiiand. 

 Jordan. 

 H.G.L. 

 *Dr. J. Ball. 



Cailiiand. 



1819 



1874 ; 6 



1894 ' 5 



1899 ! 4 



1819 



12 10 

 6 24 

 3 







15 -! 



Jordan. 



1874 



H.G.L. 



1894 



Cailiiand. 



1819 



d'Abbadie. 



1885 



H.G.L, 





6 -4 

 4-0 



12 















6 



33 







-6-0 



5 



24 







-3-4 



12 















25 







-6-5 



{: 



45 







-6-9 



4 



27 







-6'0 



7-7 '39-95 = 5' '3 



85-01 = 3' -8 



Village Zubbo 

 ., Qasr 



1874-93 



Qasr Dakhel, 

 20 Idioms. ; 

 north of Mut ; 



At Gurna on 

 west bank 



'* Used Bamberg's Declir'ntorium 



