[ i n ] 
tke middle of the 2d century; and farther, as it may 
be fuppofed that Trajan font thefe fhips to India 
at the time ot his arrival in Arabia, which was in 
the 1 16th of the Chriflian era; this may very well 
agree, in point of Chronology, not only with thefe 
authors, but alfo with our former fuppofition, that 
this country was found out in his reign. But as he 
fcarce furvived the expedition two years, fuch perfons 
as were employed in this voyage, finding on their re- 
turn that he was dead, might be difeouraged from 
purfuing any difeoveries they had made: efpecially as 
the voyage was attended with fo much hazard and 
difficulty, and as the views upon which they had 
undertaken it were in all probability fruflrated by the 
accefiion of a new emperor. 
Admitting therefore, that this was their firfl at- 
tempt, may not the extent of their difeovery be 
looked upon as very conliderable ; and will it not 
in fome meafure account for their not having pro- 
ceeded any farther than the eaft fide of the bay of 
Siam ? 
Upon the whole, as nothing was exported from 
this kingdom of the Sinae but what the city of Cam- 
bodia excelled in; and as the ancient and modern 
lituations of thefe cities appear to be reciprocal ; above 
all, as we have the teffimony of the Peri pi us Maris 
Erythraei, that it lay fomewhere in the bay of Siam, 
and the exprefs declaration of two others, that it was 
lituated on the eaft fide of the bay ; joined to the 
unanimous confent of all the geographers, that the 
country to the eaft and fouth was unknown, it may 
reafonably be inferred, that their ultima were upon 
Vol. LVII. A a this 
