609. Blanche's song. Jeffrey says: "No machinery can be conceived more clumsy for effecting the deliverance of a distressed hero than the introduction of a mad woman, who, without knowing or caring about the wanderer, warns him by a song to take care of the ambush that was set for him. The maniacs or poetry have indeed had a prescriptive right to be musical, since the days of Ophelia downwards; but it is rather a rash extension of this privilege to make them sing good sense, and to make sensible people be guided by them." To this Taylor well replied: "This criticism seems unjust. The cruelty of Roderick's raids in the Lowlands has already been hinted at, and the sight of the Lowland dress might well stir associations in the poor girl's mind which would lead her to look to the knight for help and protection and also to warn him of his danger. It is plain, from Murdoch's surprise, that her being out of her captors' sight is looked on as dangerous, from which we may infer that she is not entirely crazed. Her song is not the only hint that Fitz-James follows. His suspicions had already twice been excited, so that the episode seems natural enough. As giving a distinct personal ground for the combat in canto v., it serves the poet's purpose still further. Without it, we should sympathize too much with the robber chief, who thinks that 'plundering Lowland field and fold is naught but retribution true;' but the sight of this sad fruit of his raids wins us back to the cause of law and order."