Sentence:  This being so, we may note that foreigners who disliked our long-haired kings no only insulted them by calling them the 'bristled ones' butals said their bristles were a thing they had in common with lions, horses and swine (which for this reason are all called Setosi and Setigeri, <WSD>bristlers</WSD>), and they even extended the insult by saying they had pig's bristles. 
Meaning of the word marked with <WSD> tags:  A bristled pig.