168 £ Loomis on Solar Spots, Magnetic Declination, etc. 
Spotted surface of the sun near the time of a magnetic storm. 
ea sas the storm. Mag- Days after the storm. 
netic 
676 3 | 2] 1 ||Storm 
1848. Jan. 28, 100 133] 147)| 151 
21, 6 70 20|| 103 
March 17, 80 106| 7 POO is 
18, | 50| 91| 96) 90) 54113 
July 11, 93| 105} 112) 160) 99) 122)| 170 
Oct. 23, 150 0| 70|| 14 
Nov. 17, 2 79 136] 163) 156 
ec. 17, | 129) 141) 133) 133) 1 105 
1849. Oct. 30, 58! 44 34) 61}}. 11 
1850. Feb. 22, 58; 73) 80/122) 154) 55}| 115 
March 31,| 57| 23) 59) 39 67| 37 ao 
5| 86) 14 0 80 
June 13, 46) 15] 132| 133) 147] 129 67 
Oct. 2, 25 5 5|| 55 
1851. Jan. 19, 58} 87| 27) 57} 20) 20 62 
Feb. 18, "9| 78) 46)108) 73! 105 8 
pt.4, | 35) 46] 38/102) 40| 24||} 103 
Oct. 28, 101; 94 3 2| 36 50 
Dec. 6, 79| 87| 81| 46] 47] 38]| 26 
ec. 28, | 76] 60] 30) 10} 71| 23|| 96 
1852. Jan. 4, 94, 47/117) 82) 82) 59 52 
Jan. 19, 7} 60° 40 96|| 127 
Feb. 15, 2) 48 77 
Feb. 20, 7 144; 62) 16] 15)]} 101 
April 26, 62) 64; 34] 53) 51} 38 47 
y 20, | 38] 46] 36] 37] 11) lil] 29 
June 11, | 57) 66] 56 1 11 
June 16, 0} 11] 30). 28 4) 30 
July 10, | 51) 65] 65] 70| 11! sél| 61 
ov. 11, | 48] 10/105} 14} 81/ gsi1|| 78 
1853. Jan. 10, 25! 39) 29) 2" 11 ll 
March 7, | 15} 17] 15] 12 ol] 11 
May 3, 2 0} 11) 14 31 
May 0| 35] 47| 4: 20 
June 22, | 65| 26| 67| 5 11 
July 12, | 35) 45] 48] 7 48 
eh 3| 67| 33] 3 57 
Oct. 25, 48} 49) € 4 44 
Nov. 9, : 22 
Dee. 6, 13} 11] 1: 17 
Dec. 21, 32) 2¢ 3a! 
1854. Jan. 8, 19} 27) 1¢ 25 
Jan. 20, | 13] 14] 16 14 
Feb. 16, | 26] 29] 35] ; 22 
Feb. 24, 17}-11| ¢ 12 
ch 6, {| of} 12] 12) ¢ 0 
March 15,} 11] 34 5} 44 33 
arch 28 E 1L3i..2) 35 
April 10, | 37] 38] 49} 49 54 
April 23, 8} 24] 22 
May 25, | 13} 11] 11] 13 0 
1855. March 12,; 2 2| 38¢.23 12 
April 4, | 12] 16] 17| 17 ll 
Oct. 18, 1 ie) ae 0 
1857. March 13, Oo} Of} 11 0 
. May 1, 1 16}. 16} 16 24 
May 10, | 15} 15) 25] 24 25 
pe 3, -{-39| 27 27] 26 35 
Nov. 12, | 32} 2¢ 24 
Noy. 1 2 24) 24 50 
Dec. 16, | 1 19 
Mean of 61 days obs.|40-6)44-4/46°5/46'1 45-8 42-4 52-4 482} [388 
45°1 
Mean of 135 d’ys obs.!47-9150°1'54°8'53-5'62-3 579 
