E OF OUR KNOWLEDGE OF THE UPPER ATMOSPHERE. 105 
PRESENT STAT: 
oO 
LJ 
a 
= ae 
6 
iz of 
Gr ie 
5 
Sa. 
val re 
La” 
Ons 
238 
<q 
mee 
Bks 
PA ee 
OLS 
ee 
i> 
ae 
q : 
~ 
z 
om: 
408 
{Z= 
Se 
ee iil Z| 
we irs 
ae PARE 
De : : SS * 
SP aot 6.6 lan ts. 
EAN OF 
STATIONS. 
