Sentence:  ... only the other day, in Dublin, a high dignitary of the law did exhibit such palpable partiality in a cause of “Victoria "versus" Repeal,” that he ought to have been <WSD>unwigged</WSD> there and then, and banished for ever from that arena of marked injustice to poor ould Ireland, and her patriot sons. 
Meaning of the word marked with <WSD> tags:  To remove (someone) from a position marked by the wearing of a wig, such as that of barrister or judge.