0000927016-99-004027 424B3 1 19991228 BOSTON PROPERTIES INC 0001037540 6500 042473675 DE 1231 424B3 33 333-83861 99781891 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 6172363300 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 424B3 1 000092701699004027-001-seq1-424b3.txt FORM 424B3