[ 4 88 ] 
remarkable, that the line of the nodes is almoft at 
right angles with the long axis ol the ellipfis j which 
correfponds nearly with the comets of the years 
1580, 1683, and 1686: but thofe had their peri- 
helions northward of the ecliptic ; whereas the. peri- 
helion of the laft, which we have lately feen, was to 
the louthward of the ecliptic. 
I have the honour to fubfcribe myfelf, with the 
moll perfed efteem for you, and your iublime ftudies, 
very refpedfully, 
S I R, 
Your very humble and obedient Servant, 
Hague, 13th Dec. 
* 757 - 
D. Klinkenberg. 
LX I. Remarks on the different "Temperature 
of the Air at Edyftone, from that ob~ 
Jerved at Plymouth, between the 7th and 
\\th of July 1757. By Mr. John Smea- 
ton, F. R.S. 
S I R, 
Read Jan. 12, 
1758. 
O 
N the reading of Dr. Huxham’s 
letter at the laft meeting, fome ob- 
fervations occurred to me, concerning the different 
temperature of the air, which I had obferved at the 
Edyftone, from what had been obferved by the 
Dodor at Plymouth, between the 7th and 14th of 
J iil y 
