"SEC. 50. It shall not be necessary to forward to the Supreme Court the record, or any part thereof, of any case in which there shall have been an acquittal, or in which the sentence imposed does not exceed confinement in prison for one year, or a fine of 250 pesos, exclusive of costs, unless such case shall have been duly appealed. But such sentences shall be executed upon the order of the court in which the trial was had. The record in cases in which the death penalty, or imprisonment exceeding one year, or a fine exceeding 250 pesos, exclusive of costs of trial, shall have been imposed, shall be forwarded to the clerk of the criminal branch of the Supreme Court within twenty days, but not earlier than fifteen days after the rendition of the sentence. All cases involving sentence of death, or of imprisonment exceeding six years, or of fine exceeding 1250 pesos, or in which an appeal shall have been taken, shall be submitted to the criminal branch of the Supreme Court, and shall thereafter take the same course as is now provided by law. Cases forwarded to the Supreme Court involving sentences less serious than those hereinbefore last mentioned, and not appealed, shall be referred by the clerk to the ministerio fiscal for consideration, and if the latter return the same concurring in the sentence imposed, the record shall immediately be returned to the trial court for execution of sentence. If the ministerio fiscal shall not concur in the sentence, the case shall be submitted to the criminal branch of the Supreme Court, and shall thereafter take the same course as is now provided by law when that officer shall recommend a sentence in any respect more severe than that imposed by the trial judge, and for the consideration of the