BAYBANKS INC <BBNK> 1ST QTR NET Oper shr 1.08 dlrs vs 96 cts Oper shr diluted 1.02 dlrs vs 89 cts Oper net 16.1 mln vs 12.8 mln Avg shrs 14.9 mln vs 13.4 mln Avg shrs 16.1 mln vs 14.8 mln NOTE: 1987 net excludes gain 4,820,000 dlrs from cumulative effect of change in calculating depreciation expense.