230 



REPORT— 1898. 



10 A.M. a slight movement, apparently not magnetic. 116=0. 119=0. 



131 = 0. 132 = 0. 133 probably = 0. 131=0. U0 = 0. 141. At 



2.58 P.M. movements probably due to an assistant. 145=0. 157 = 0. 

 163. A slight movement, about 2.50 p.m., of a doubtful kind. 



Mecoi'ds from tho. Hoyal Observatori/, Greenwich. 



Through the kindness of the Astronomer Royal, the following note 

 relating to the Shide register, p. 191, wei-e di-awn up by Mr. Nash : — 



Shide No, 



98* 



09 

 100 

 101 

 102 

 103 

 104* 

 105 

 106 

 107* 

 108 

 110 

 111 

 115 

 116* 

 118* 

 120 

 123 

 123 

 125* 

 130 

 131 

 132* 

 134 

 136 

 137* 

 142 

 143 

 144 

 147* 

 155 

 156 

 ICO 



Movements noted at Greenwich. 

 Small movement in H and D at 23h. 30m. 



about 12h. 20m. 

 „ „ „ at 13h. 15m. 



Veiy small movements in H and D. 



Small movements in H and D at 4Ii. 45m. 

 Small wave in H and D at 9h. 50m. 



Very small movement 

 Small „ 



„ wave 



„ movement 



„ wave 



„ movement 



Very small fluctuations in H and D. 

 ,, ,, movement 



nDat llh. 45m. 

 n D at 191i. 55m. 

 n H and D at 7h. 

 n H at lOh. 55m. 

 n H at 20h. 15m. 

 n H at llh. 15m. 



„ ., wave 

 Small decrease 



„ wave 

 Very small movement 

 Small movement 



„ wave 



,, movement 

 '\Vave 

 Small movement 



1) »» 



,, wave 

 ., movement 



Active movements 



Small „ 



Very small ,, 



Small „ 



AVe have here 33 instances where 



iOm. 



n D at 15h. 40m. 



n D and H, 6h. lOm. to 61i, 45m. 



n H and D at 21h. 45m. 



nD. 



n H and D at 15h. 10m. 



n H and D at Ih. 20m. 



n H about lOh. 28m. 



nH. 



n H and D at 23h. 50m. 



n H and D at 13h. 40m. ± 



n H and D at Oh. 15m. 



n H at 14h. 40m. 



n H and D 3h. 30m. 



nD. 



n n at 9h. 4Sm. 



n H and D, commencing a 4h. 



n H and D. 



nD. 



nH, again in D & H, 17h. 40m. to 17h. 45m. 



t is possible that a connection may 



exist between earthquake movements and the movements of magnetic 

 needles. In the cases marked with an asterisk the movements of the 

 needles preceded those of the ground. 



