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HARVARD LAW REVIEW.
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AN UNSETTLED POINT OF EVIDENCE. 237 the court should not allow them to be brought into the case, to hopelessly confuse and lengthen the trial. 1 In any aspect of the case it would be sound law and reason to confine an expert or witness-to-value in giving the grounds of his opinion to the details of such transactions as are otherwise relevant to the issue. Augustus P. Loring. 1 Lincoln v. Taunton Copper Company, 9 Allen, 181 ; Crowell v. Porter, 106 Mass. 80.