( 49$ ) 
A T>ISCOVRSE tending to proye at 
what Time and Place, Julius Cefar 
made his firft T>ejcent upon Britain : Read 
before the Royal Society Halle y« 
T Hough Chronological and Riftorical Matters, may 
not feem To properly the Sub je& of thefeTra£h 5 
yet there having,} n one of the late Meetings of the 
Royal Society, been feme Difcourfe about the Place where 
Julius Cefar Landed in Britain, and it having been required 
of me to (hew the Reafons why I concluded it to have 
been in the Downs 5 in doing thereof, I have had the 
good fortune fo far to pleafe thofe worthy Patrons of 
Learning I have the honour to-ferve, that they thought 
fit tocommandittobeinferted in the PhihfophicalTranf 
atlions, as an inftance of the great Ufe of AJironomicd 
Commutation for fixing and afcertaining the Times of me- 
morable A&ions, when omitted or not duly delivered 
by the Hiftorian. 
1. The Authors that mention this Expedition with any 
Circumftances, are Cefar in his Commentaries lib. 4, and 
Dion Cajfiu* in lib, 39 5 Livies account being loft, in 
whofe 105th. Book, might poffibly have been found 
the ftory more at Large, It is certain that this Expedi- 
tion of Cefars, was in the Year of the Consulate of Pompej/, 
and Crajjus, which was in the Year of Rome 699. or 
the 55th. before theufual Era of Chrift: and as to the 
time of the year, Cefar- fays that Exigua parte sjlatis 
reliqua, he came over only with two Legions., viz,, the 
ytLznd roth, and all Foot, in about 80 Sail of Mer- 
G chant 
