226 On the Meteor of May 18th, 1838, 
son, and Ann Arbor, are quite within the limits of the unavoidable 
errors of such observations. Those at/Hanover and Clinton seem 
somewhat large, yet when it is remembered, that these measure- 
ments were not taken till more than a month after the meteor 
appeared, I think we must admit the possibility of errors of this 
magnitude. The assigned termination of the meteor’s flight, 
rests upon the observations of Hanover, Clinton, Hudson, and 
Ann Arbor.. The errors of the observations appear to be,. Han- 
over+27’; Clinton+2/; Hudson+54’; Ann Arbor —1° 24’; all 
of which are quite admissible. 
The observations at Clinton make the meteor’s first appearance 
8. 13° 25’ W. I think it probable there is some mistake here, or 
if not, we must suppose the meteor to have been seen at Clinton 
much earlier than at any other station. At all, events, it is im- 
possible with this single observation to trace the meteor with 
confidence farther south than I have done. 
It will be observed, that the three points in the meteor’s path 
which T have above given, do not lie ina straight line. The 
middle point is more distant from the surface of the earth than 
either of the extremes by 2.7 miles, and allowing for the convex- 
ity of the earth, the total curvature in a vertical plane is about 
six miles. But the projection of the meteor’s path upon a hori- 
zontal plane, deviates still more from a straight line. The cur- 
vature here amounts to forty one miles, the convexity being 
turned-towards the east. We'may suppose a part of this irregu- 
larity to arise from the errors of the observations, yet I think it 
well nigh certain, that the path was actually crooked. 
Having thus deduced the meteor’s path from the best observa- 
tions, I proceed to inquire how these results accord with the re- 
maining observations. A meteor was seen at Raymond, in the — 
eastern part of New Hampshire, a little past 8 o’clock, on the 
evening of the 18th. It bore nearly west, at an elevation of 
from 5 to 10°, moved north westerly, descending rapidly towards 
the horizon. This description accords as nearly as could be ex- 
pected With the position I have assigned the meteor. At Mount 
Upton, Chenango county, N. Y., “soon after sunset, on the eve- 
ning of the 18th, a very brilliant meteor started from that part of 
the heavens which declines a little to the west or southwest from 
the point over head, and pursued its. course about due N. W., dis- 
appearing behind the hills in that direction.”” According to my 
results, the meteor could not have been elevated much above fif- 
