THE ART OF CROSS-EXAMINATION
upon the small quantity of arsenic found in the body, and the jury without much hesitation acquitted her. Dr. Taylor, the professor of chemistry and an experienced witness, had proved the presence of arsenic, and, as I imagine, to the great disappointment of my solicitor, who desired a severe cross-examination, I did not ask him a single question. He was sitting on the bench and near the judge, who, after he had summed up and before the verdict was pronounced, remarked to him that he was surprised at the small amount of arsenic found; upon which Taylor said that if he had been asked the question, he should have proved that it indicated, under the circumstances detailed in evidence, that a very large quantity had been taken. The professor had learned never to volunteer evidence, and the counsel for the prosecution had omitted to put the necessary question. Mr. Baron Parke, having learned the circumstance by accidental means, did not feel warranted in using the information, and I had my first lesson in the art of 'silent cross-examination.'"
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