L. H. Niles 1G., of Amsterdam, N. Y., won the prize offered by the Boston Society of Architects, in a competition held simultaneously at the Department of Architecture of the Massachusetts Institute of Technology, the School of Architecture, and the Boston Architectural Club. The winning drawing,--"A Memorial Monument to a Great Playwright," with the others will be on public exhibition at the Massachusetts Institute of Technology for the rest of this week. At a time to be announced later a general criticism and review of the deliberations of the jury, the committee on Education of the Boston Society of Architects, will be given for the benefit of the students taking part.