HOLY CROSS at HARVARD  LAFAYETTE at COLUMBIA  COLGATE at CORNELL  DART-MOUTH at UMASS  DELAWARE at PRINCETON  BROWN at ARMY  PENN at LEHIGH  UCONN at YALE  LAST WEEK  SEASON TO DATE BRUCE SCHOENFELD Sports Editor  Harvard, 21-20  Columbia, 24-14  Colgate, 30-20  UMass, 24-21  Delaware, 35-3  Army, 20-6  Lehigh, 40-5  Yale, 28-21  2-2  2-2. .500 MARK DOCTOROFFAssociate Sports Editor  Harvard, 23-18  Lafayette, 17-3  Cornell, 12-9  Dartmouth, 17-0  Delaware, 22-14  Army, 24-12  Penn, 27-20  Yale, 31-15  3-1  3-1. .750 MICHAEL BASSAssociate Sports Editor  Holy Cross, 17-16  Lafayette, 32-18  Colgate, 29-22  Dartmouth, 14-10  Delaware, 44-7  Army, 27-13  Penn, 20-15  UConn, 31-21  2-2  2-2. .500 MARTY SCHWIMMERStaff writer  Harvard,14-13  Lafayette, 8-6  Colgate, 11-0  Dartmouth, 18-16  Delaware, 43-0  Army, 5-4  Lehigh, 16-2  UConn, 71-0 PETE VARNEY '71Guest Selector  Harvard, 21-14  Columbia, 28-23  Cornell, 14-6  UMass, 16-13  Princeton, 17-14  Army, 14-7  Penn, 14-0  Yale, 35-7