HARVARD at PRINCETON  BUCKNELL at COLUMBIA  DARMOUTH at CORNELL  HOLY CROSS at BROWN  YALE at PENN  LAST WEEK  SEASON TO DATE MICHAEL BASS Sports Editor  Harvard, 20-17  Columbia, 35-3  Dartmouth, 7-5  Holy Cross, 73-0  Yale, 45-10  3-2  17-11.607 CAROLINE ADAMS Associate Sports Editor  Harvard, 17-7  Bucknell, 24-14  Dartmouth, 21-14  Holy Cross, 28-10  Yale, 24-17  2-3  14-14.500 GWEN KNAPP Associate Sports Editor  Harvard, 35-14  Bucknell, 28-12  Dartmouth, 17-14  Holy Cross, 31-7  Yale, 24-14  4-1  17-11.607 MARCO QUAZZO Staff Writer  Harvard, 35-30  Bucknell, 20-17  Cornell, 14-10  Holy Cross, 24-10  Penn, 21-20 LARRY KAHN, FRANK MUNGEAM WHRB Guest Selectors  Harvard, 24-14  Columbia, 27-6  Dartmouth, 17-0  Holy Cross, 31-17  Yale, 27-21