0000950135-98-006114 POS AM 1 19981202 UNITED ASSET MANAGEMENT CORP 0000796370 6282 042714625 DE 1231 POS AM 33 033-57049 98763028 ONE INTERNATIONAL PL BOSTON MA 02110 6173308900 ONE INTERNATIONAL PLACE, FLOOR 44 100 OLIVER STREET BOSTON MA 02110 POS AM 1 000095013598006114-001-seq1-pos-am.txt UNITED ASEET MANAGEMENT CORPORATION