Sentence:  […H]e would have ſeen with what an endeavour at accuracy (in pages 36, 7, 8) I have diſtinguiſhed <WSD>trophæal</WSD> monuments, erected on the fields of battle by the generals and their armies, from triumphal arches, erected by the authority of government, after theſe generals had been admitted to the honour of a triumph. 
Meaning of the word marked with <WSD> tags:  Erected without Senatical grant by a prevailing general as a trophy (or "tropæum") commemorating a battle in which he was victorious; compare (triumphal).