( 209 ) 
doing, no doubt, had reafon to place this Colure 7 
^6'' in confequence of the firft Star of Aries, inftead of 
8^ 17', as it was when the Star in the middle of the 
Back of Aries was under the Colure. 
But if with P.Souciet, you make the Colure to inter- 
fed: the Ecliptick 15" Degrees from the fird Star of 
Aries, or 4)® 51^ from the i^quinodial Point, as it was 
Artfto 1690, we fliall have the time nearly 147c Years 
before Chrift ,• but then the Colure will he very far 
from- the middle of the Back of Aries, and leave only 
his Tayl to the Eaftward, as it leaves the Head of the 
Whale to the Weftward, fo as by no means to agree 
with the Defcription we have of it from Hippardms ; 
which it were to be wifht had been more definitive, 
and as W’ell circumftanced as what Hipparchus has left 
us of the Pofition of the Colures in his owm time, 
which upon examination I find to be very con- 
fident, and the Obfervations made with fu/Iicient 
care. 
Thus 1 hope, I have Ibewn F.Souciet, that there was 
no AfPedation of Myftery in Sir Ifaacs placing the 
Colure 7^ 36' from the firft Star of Aries, nor any 
occafion to drole as he does Pag. 131, rqi. t>n 
that account,* as alfo that he ought to have dedu- 
ded 3®7'foutof the 15 Degrees he alTumes for 
the diflance of his Colure from the firft Star of A- 
ries, which will bring him 215* Years nearer to Sir 
Ifaac Newtons time. He is likewdfe entreated, in the 
next Edition of his Differtations to be a little more 
careful of his Numbers than he has been Pag. 134, 
135-, and to inform himfelf in the Sphericks, fo as to 
give us the Right Afcenfions of the Stars truly, 
irom their given Longitudes and Latitudes. 
Lafily, 
