Numb. 418.
PHILOSOPHICAL
TRANSACTIONS.
For the Months of March, April and May, 1731.
The CONTENTS.
I.An Account of an Aurora Borealis seen in New-England on the 22d of October, 1730, by Mr. Isaac Greenwood, Professor of Mathematics at Cambridge in New-England. Communicated in a Letter to the late Dr. Rutty, R.S. Secr.Vid. Tab. I.
II.An Account of the same Aurora Borealis, by Mr. Richard Lewis; communicated in a Letter to Mr. Peter Collinson, F.R.S.
III.A new and exact Table collected from several Observations taken from the Year 1721 to 1729, in nine Voyages to Hudson's Bay in North-America, by Capt. C. Middleton; shewing the Variation of the Compass according to the Latitudes and Longitudes under-mentioned, accounting the Longitude from the Meridian of London. Communicated by Mr. Benj. Robins, F.R.S.
IV.Observations on the Weather, in a Voyage to Hudson's Bay in North-America, in the Year 1730, by Mr. Christopher Middleton. Communicated by the same.
V. A
