[ m ] 
lhall be glad if this Account of it give you any Satif- 
fadtion, and am with the greateftRelpedt, 
5 P. S . We looked for the Occultation of Aldebarart 
by the Moon on Feb. 2f. in the Evening $ but the Star 
palled by the upper Horn, without being hid, at a 
Diftance from it, that was by Eftimation nearly equal 
to the Diftance betwixt the neareft Part of the Spots 
Eudoxus and Arijiotle . 
4. An Account of the Obfervations of the late Solar 
Eclipfe made at Edinburgh, on Feb. 18, 1 736-7- 
by the Honourable Sir John Clerk, Bart . one of 
the Barons of his Majefifs Exchequer there , and 
F \ R. S . Communicated by Roger Gale, Efq> F. R. S . 
the 1 8th of February laft, we had a very fine 
bright Day for obferving the Eclipfe 5 and never 
was any thing of that kind, 1 believe, obferved with 
more Exadtnefs. In feveral Places for 10 Miles round 
this City, as well as in it, were fome skilful Perfons 
ftationed for that Purpofe : I myfelf happened to be 
in the Caftle here, which is an Eminence at leaft of yoo 
or 600 Feet in Height, befides a great Afcentfrom the 
Level of the Sea to the Foot of the Rock upon which 
it is fituated. 
Our Profeflbr of Mathematics, Mr. Mac Laurin 7 
a Perfon of great Knowledge in this Science, had 
placed himfelf at a Window in our College i others 
S I R y 
Edinburgh , 
May 12, 173 7. 
Tour moft obedient , 
mofl humble Servant , 
Colin Mac Laurin. 
were 
