256 Aurora of 1859. 
At 9" 80™ the streamers had extended and grown brighter, 
while the low luminous segment, diffusing itself upward, had 
merged into the outer arch, which now reached nearly to the 
pole star. At this moment the arch began to send off succes 
sive waves of light, rapidly following one another towards a 
beyond the zenith. In a few seconds this wave movement gave 
ae 
a convergency of the lines of motion towards a point considet — 
upwards, al 
At 10h 30™ the pulsating movement again extended over 
the northern and part of the southern half of the sky. Inn 
s 
eh cegean we Tea  ge : 
prin AAG Leg eas +: 2 Papas CE Diets * eiagl de 
ing to 9 
somewhat uniform order of succession. First, the dark se it ‘ 
on the northern horizon took a regular arched form, and ns . 
rose, became bounded above by a broad luminous curve, # 
same time developing one or more bright concentrie f ™ 
within, The streamers now shot forth from all parts of the 
minous zone; and as these increased the upper arch faded a ; 
as if it had expended itself in producing them. od a0 
lower arch took its place, to be obliterated in its turn by a 
seeming process of exhaustion. At length, one of 
effusions of light coming on, the whole arch was DI 
and the dark segment below was reduced toa er omens 
until the dark seement again took form, with its one 
i opment was repeated 
9. Observations at Steubenville, Ohio, (lat. ce 25"), from he ee 
benville Daily Journal. a See 
; b wos unusint 
interesting. st. It covered a much larger space of Pe It jasted * 
; pit 
