DIURNAL VARIATIONS OF TERRESTRIAL MAGNETISM. 
103 
"3 
3 
d 
o 
o 
d 
M 
0 
H 
Calculated. 
m h eo ^ oo 
o> 
O O h h (N CO 
n 
• pH 
Observed. 
W m © (M CO O 
pH 
^ CC 
O pH ^0 H pH 
H* PH 
cS 
Calculated. 
pH p-H pH r-H pH 
pH pH 
1 
O pH pH O'! pH 
pH pH 
Observed. 
H ph 
i 1 
pH 
1 1 
pH O C'l O CO d 
pH pH 
1 
-C> 
* 
Calculated. 
to CO O O O 00 
pH pH pH 
1 1 1 1 1 1 
© © lO 
pH 
H H d Cl H H 
1 1 1 1 1 1 
O Cl H 
pd 
43 
Observed. 
d 
© 
d 
o 
cu 
S 
... . o 
lO ^ <M Cl (M 
pH f-H 
1 I 1 1 1 1 
© © p 
1 
d 
a> 
d 
o 
Pu 
s 
o 
O Cl (M Cl CO O 
1 1 I 
H © © 
1 
o 
S 5 
Calculated. 
O 
u 
d 
o 
-d 
l 
00 
CO ^ lO O ^ CO 
1 1 1 1 1 1 
Cl ID CO 
O 
u 
d 
o 
H 
i 
CO 
ph CO ^ O O O 
i i i i i i 
NlQH 
• 
Observed. 
<u 
jd 
H 
CO 
ai CD ^ lO Cl 
pH 
1 1 1 1 I ! 
PH 00 CD 
1 1 
a> 
(H 
H 
h*' 
pH CO CO 00 ^ CO 
1 1 1 1 1 1 
ci h d 
1 1 
pO* 
Calculated. 
pf 4 JtH GO ph ph 
pH pH 
O CO 00 
pH pH 
Cl CO O CD H 
pH pH 
1C N Cl 
pH 
43 
OT 
Observed. 
00 00 <M 00 
pH pH 
Oh d 
CO iO CD b* Cl lO 
pH pH 
00 CO pH 
1 
£ 
e 
Calculated. 
N Ol CO CD Cl ic 
H H <M (M 
1 1 1 1 1 1 
Jb- o <co> 
Cq h 
1 ! 1 
h <d co co Tf io 
1 1 1 1 1 1 
lO ^ H 
1 1 1 
Observed. 
Ol 00 O CD Cl O 
HH (M (M 
1 1 1 1 1 1 
© © © 
pH pH pH 
1 1 1 
d H H CO lO ^ 
[ J 1 1 1 1 1 
h * 4 iO <CD 
1 1 1 
Group 
No. 
W H H k ' k' h 
HH r r k 
HH >-H >r 
XI 
IIIA 
TIA 
HHHKKM 
HH HH K' ^ ^ 
HH HH 
VII. 
VIII. 
IX. 
