Numb. 418; 
P HI LO SOP HI CAL 
TRANSACTIONS 
For the Months of March , Mpril and May, 1731. 
The CONTEN TS. 
I. An Account of an Aurora Borealis feen in 
New-England on the udof October, 1730, 
by Mr. Ifaac Greenwood, Trofejfor of Mathe- 
matic ks at Cambridge in New-England. 
Communicated in a Letter to the late Dr. Rutty, 
^S.Secr. Vid. Tab. I. 
II. An Account of the fame Aurora Borealis, by 
Mr. Richard Lewis 5 communicated in a Let- 
ter to Mr. Peter Collinfon, F. S. 
III. A new and exail Table collected from feVer d Ob- 
jections taken from the Year 1721 to 1729, in 
nine Voyages to Hudfon’r Bay in North- Ame- 
rica, by Capt. C. Middleton 5 (hewing the Va- 
riation of the Compafs according to the Latitudes 
and Longitudes under-mentioned., accounting the 
Longitude from the Meridian of London. Com- 
municated by Mr. Benj. Robins, F. S. 
IV. Objections on the Weather, in a Voyage to 
Hudfon’r Bay in North-America, in the Year 
173 0, by Mr. Chriftopher Middleton. Com- 
municated by the fame. 
V. A 
