470 
with the remains of their dead; and this forms the main 
point of identity between these parallel instances, while it 
establishes the fact that the habit of erecting stone circles 
was introduced by the people who adopted the custom before 
they understood the use of metal, when they were incapable, 
with stone axes and chisels, to reduce stone pillars into such 
excellent shape as those who succeeded them and built 
Stonehenge. It is evident that between the interval of the 
building of these two circles a gradual improvement in 
science had taken place, in consequence of the Phoenician 
merchants having supplied them with implements of bronze 
manufactured for their use. 
The flint implements found at Bridlington add the weight 
of their evidence to this conclusion, and, if I have interpreted 
their signification correctly, they explain and confirm the 
course of events which I have deduced from the variation in 
the mode of burial and the distribution of the relics found in 
the tumuli, where the three first classes are without a trace 
of metal, and the fourth with bronze. At Bridlington three 
distinct classes of flint implements bear evidence that their 
owners were not acquainted with the use of metal; and a 
fourth, at Hunter, are of the class of implements that cor- 
respond with the implements of flint that were found with 
bronze in the Ford tumulus; while the fifth class of tumuli, 
which has iron deposited in them with bronze, has no repre- 
sentative in flint at Bridlington ; and yet the presence of a 
conqueror is everywhere visible in the distribution of the 
flint implements of the other tribes. 
In this fifth class of tumuli we find the people who were 
buried in them possessed a great additional instalment of the 
knowledge of the arts which distinguishes civilization from 
barbaric ignorance, and express by the description of relics 
(which includes a war chariot) that they were the people 
whom Ca)sar encountered. These people dispensed with 
