"The main - and, in my view, the only strong - consideration favouring a conclusion that this Court lacks any power at all to receive further evidence on an appeal from a State Supreme Court is to be found in authority. There are cases in this Court which provide clear support for the proposition that the appellate jurisdiction conferred by s 73 carries with it no power whatsoever to receive fresh evidence. However, in none of those cases was it necessary for the purpose of deciding the particular case to lay down a broad and unqualified rule that the Court lacked all power to receive further evidence in the performance of its appellate functions. In so far as general statements to that effect in those cases were based on preconceptions about reserved 'State judicial power', they were, as I have indicated, based on a mistaken foundation. In so far as such statements were based on the view that the English Court of Appeal or the House of Lords had no power to hear further evidence on appeal[427], they are contrary to the subsequent decisions of those courts. In so far as those statements were based on a perceived need to identify actual error by the court below on the material before that court, they were based on an unduly narrow perception of the function of the appellate process in a modern context. In so far as those statements were based on the distinction between appellate jurisdiction and original jurisdiction[428], they appear to me, with due respect, to miss the point. If further evidence is received as an integral part of the appellate procedure, it will not be received in the exercise of original jurisdiction. Even if its receipt did involve the exercise of 'original' jurisdiction, the question would remain whether the power to exercise such original jurisdiction was an incident of the grant of appellate jurisdiction. Thus, evidence that an applicant for special leave to appeal from an order affirming his conviction was about to be hanged would undoubtedly be received by the Court in the exercise of its incidental power to preserve the subject matter, 'human or not', of an appeal pending decision[429]. It is simply not to the point to assert that that incident of the grant of appellate jurisdiction under s 73 involves the exercise of original, rather than appellate, jurisdiction."