Magnetism as a Mode of Motion. 123 
cernible in comparing the results of a long series of careful and 
delicate observations. The accompanying tables are deduced 
rom such a comparison of the St. Helena records. 
Taste I. 
Solar and Lunar Daily Magnetic Tides, in parts of Force.* 
Solar Horizontal force. Vertical force. Total force. 
and Selar. [at ” T Solar. junar. Solar. Lunar 
Lunar cairn ids 
Houre. “00 ( *-000 000 000 
0 +1099 +006 -(022 -(005 +95 +005 
1 +0911 003 +229 +02 +82 -001 
2 +0623 -O1L +446 +031 +60 -005 
3 +0368 -O14 +593 +044 +40 -006 
+ +0138 -020 +638 +072 +20 -007 
5 -008 -01 +608 +041 +01 -006 
6 -0270 -007 +611 +050 -15 +001 
7 -~0394 -00 +545 +028 26 +001 
8 -0465 000 +300 -012 -36 002 
9 -0511 4022 +219 -O11 -41 +018 
0 -0530 40382 +074 -017 -45 +025 
l —0522 40381 oll 037 -45 +022 
2 -048 O19 -100 -003 -43 +016 
3 ~0449 017 16 +005 -41 +015 
4 -0405 40138 2294 +019 -38 +014 
5 -0376 009 -289 +048 -36 -001 
6 -0352 oll -345 +051 -35 -002 
7 -0329 ~008 398 +029 -84 -()03 
8 -0298 009 -465 +013 -32 00 
9 -0154 Oot -513 -O11 -20 ~005 
20 +9130 +003 ~§82 -053 +08 -005 
21 +047 006 -49 -050 +34 -002 
22 +0803 4013 -42 -054 +004 
: 101 09 914 | =067 +85 -001 
Taste I. 
Lunar-Monthly Magnetic Tide of Horizontal Force, 
‘br cae wmarn areca ee NS ‘i ——— nied! 
> Mean Daily Fiuctuations of Hori- 5 Mean Daily Fluctuations of Hori- 
"mt a onda Poets St, Helena. Ss Recent zonta al Fore ta) Force 6 7é 
° 1846. iecraags 6 1844. stoi 16846. Average. 
0 | 6131 | 53-75 88} 51°98 180. | 5881+ 5391 | 4086) 51°19 
15 | 61-66 | 53-29 piped 52-06 195 | 59°39 | 53°64 | 4027) 51°10 
80 | 62-20 | 52°85 | 41-78 | 52°26 910 | 5935 | 53°57 | 40°79.) 51°20 
45 | 62°32 | 53-81 | 41: 2-58 995 | 6888/5201 | 40°74 | 50°85 
60 | 6256 ted sen S87 940 | 59°66 | 52°80 | 39°79 | 50°75 
75 | 62-76 | 52°36 | 41-34 | 52°15 955 | 6085 | 52:92 | 40°70) 51°32 
90 | 61°82 | 52°80 | 41-54 | 52°05 970 | 60°50 | 53-43 4065) 51°51 
105 | 61-37 | 53:11 | 40-42 | 51°63 085 | 6089| 53°81 41°10) 51-94 
120 | 60-47 | 53-43 | 39-97 | 51°29 300 | 61-64) 5282 4141 51-96 
135 | 59-42 | 53-60} 4046 | 51-16 315 | 61°80 | 53°10 | 41°34 | 52°08 
[105 [ores 53-01 | 40°14 | 5113 330 | 6214/5345 | 42°39 52-66 
24 
es ol 0 ay 4 oe ee ey sige Aes 
60°54 | 53-46 | 89°72 345 | 62-16| 6297 | 41°85 | 52-32 
» the first 4 1 fig laced, for convenience, in an upper line. 
_* The val utes po at el ran is 0U019 of the horizontal force, in 1844 and 
1845, and -00021 in 1846. : 
; 
