224 On the Meteor of May 18th, 1838, 
near as can be ascertained, appeared every where at the same ab- 
solute instant. 2..The meteor was every where seen in the same 
place. Not in the same direction as referred to the points of the 
compass, but occupying the same absolute position as referred to 
the earth’s surface. That is, the appearances are perfectly ex- 
plained by supposing a single meteor of great size, elevated about 
thirty miles above the earth’s surface, to have described a nearly 
horizontal path of more than two hundred miles. Such a sup- 
position will satisfy all the observations within the limits of the 
unavoidable errors of observation. 3. The meteor was every 
where of remarkable size. It was of such splendor as is very 
seldom seen. 4. It exhibited a train, besides several’ peculiarities 
so extraordinary, as to identify it without danger of mistake. It 
broke into several fragments which fell behind the main body 
and followed at some interval. This will be considered more 
- fully hereafter.. These four facts combined, prove conclusively 
that it was indeed the same meteor seen by the different ob- 
servers. -'The evidence is the same in kind, and well nigh the 
same in degree, ‘as that which assures us that it is one moon 
which i is seen in the northern and southern hemispheres. As- 
, then, that all the observations were made upon a single 
object, I proceed to determine as accurately as possible the height 
and course of the meteor. At Hanover, N. H., the meteor was 
observed by Professor Hubbard. When first woticed, it bore S. 
80° W. elevated above the horizon 9° 38’; it disappeared N. 69° 
W. at : an elevation of 3° 24’. These numbers were obtained by 
from the remembered position of the meteor, and 
were communicated to me by Professor Young. At Clinton, in 
New York, the meteor was observed by Professor Catlin, of Ham- 
ilton College. It first appeared S. 13° 25’ W., elevated 4° 30’; it 
disappeared N. 67° W.; elevated 8°. At an intcrmiedidte ie it 
bore N. 87° 30’ W., idconeed 12° 36’.. At Buffalo, N. Y., 
meteor was phwerted by Mr. R. W. Haskins. He first saw i a 
little south of east, and it disappeared a little east of north. Its 
greatest altitude was er it Hudson, Ohio, the meteor was ob- 
served by Professor Barrows. It was first seen N. 83° E., eleva- 
ted..7°; and disappeared N. 35° ‘E., elevated 6°. In Aurora, 4 
town adjoining Hudson, the iuetiod was observed by Mr. 
Brown. He first saw it shi east, elevated about 8°; and it ai 
: ents N. 30 E., elevated 8°. At Ann Arbor, Michigan, the 
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