September 11, 1978. The defendant seeks to raise issues in this Court which were not presented to the trial court. Points not urged in the proceedings below will not be considered as a matter of first impression on appeal except in extraordinary circumstances, which do not exist here. See State v. Morrill, 127 Vt. 506, 253 A.2d 142 (1969); V.R.Cr.P. 52(b).