AND THEIR CONNECTION WITH MAGNETIC CHANGES. 



365 



TABLE VIII. — Departures from the Means in Table V. of the Individual Earth- 

 Currents OBSERVED ON THE LONDON AND TONBRIDGB LiNE. 



Class I. — Observations during Magnetic Calms. 



ov 



- 40 



- 25 

 f-173 



- 54 

 f 1 



- 19 

 t- 12 



- 54 

 f 48 



- 60 

 (- 16 



li>. 



-41 

 -19 

 + 35 

 + 17 

 + 8 



2^. 



S^. 



-49- 37 

 -46|+ 16 

 + 3-37 

 - 3 



+ 6 

 + 24 

 + 45 

 + 29 



+ 



+ 



+ 37 

 + 37 



41". 



-14 

 + 1 

 + 14 



5^. 



+ 18 

 -13 

 - 4 



6i>. 



7'>. 



-1 



+ 2 



8". 



91^. 



IQi'. 



+ 9 

 - 9 



lilK 



-21 

 + 6 



+ 15 



12". 



- 20 

 + 20 



13i>. 



+ 1 



14''. 



- 3 



- 3 

 + 6 



15^. 



+ 7 

 -11 



_ 2 

 + 7 



16". 



- 3 



-10 



- 3 



- 6 

 + 15 

 + 6 



17". 



18". 



+ 

 -33 



- 6 



- 9 

 + 6 

 + 21 

 + 3 

 + 6 



- 6 

 + 21 

 + 20 

 + 3 

 + 12 

 + 12 

 + 20 

 + 3 

 -24 

 + 3 



- 6 

 -15 

 -50 

 + 3 

 + 3 



19". 



-28 



- 1 



- 1 



- 1 



- 1 



- 1 

 + 17 

 + 35 

 + 17 

 -10 



- 1 

 + 17 

 -19 

 -19 



- 1 



20". 



- 2 



- 2 

 + 25 



- 20 



21". 



+ 29 

 -27 

 - 1 



22". 23". 



-26 

 + 11 

 + 16 





 



- 30 

 



+ 31 



Class II. — Observations during smaller Disturbances. 



19 



+ 44 



+ 6 



+ 



21 



-18 



-13 











- 9 



-21 



+ 110 



+ 23 



+ 23 



+ 34 





+ 2 



+ 12 



-10 



+ 



68 



+ 18 



-23 



5 



-41 



-23 



+ 



25 















-18 



-50 



+ 60 





+ 40 









+ 12 



-85 



+ 



16 



+ 40 



+ 42 



12 



-41 



-18 



+ 



58 

















-21 



+ 20 













*-44 



+ 8 



— 



38 



-27 



+ 2 



89 



-10 



-20 





















-35 















+ 15 



- 1 



+ 



68 





-52 



48 



-23 





































-14 



+ 46 



+ 



82 







54 



+ 17 





































- 6 



+ 17 











12 



+ 31 





































-14 



- 1 











40 



+ 17 

 -15 

 -12 





































-44 



-19 

 + 11 

 -19 



- 1 











+ 44 



- 27 



- 15 

 -102 

 + 44 



Class III. — Observations during greater and more Abrupt Disturbances. 



+ 4.2 



-103 

 -103 

 + 159 

 + 135 



- 1 

 + 92 



t+18 



-116 



+ 35 



+ 26 



-121 

 + 34 

 - 42 



+ 52 

 + 29 



+ 84 

 + 11 



- 4 



* The declination needle was on this occasion considerably to the west of its normal position, 

 t The declination needle was on this occasion considerably to the east of its normal position. 



