SERVICE of Thanksgiving and Remembrance. Willard Learoyd Sperry, Dean of the Divinity School, will deliver the sermon in Memorial Church at 9.30 o'clock this morning. The service is open to the Governing Boards, Professors and Associate Professors of Harvard University, Delegates, and Delegations of the Harvard Alumni Association, the Associated Harvard Clubs, and the Students of Harvard University. The students will be represented by a delegation of 50 students.

ASSOCIATED HARVARD CLUBS Tercentenary Meeting. At the close of the Service, 10.30 o'clock, trumpets will be sounded and the band will play as a signal for the Alumni to take their seats in the Theatre. Members of the Governing Boards, Faculties, Delegates, and Distinguished Guests will proceed, without formality to seats on the stage. Alumni who wish to bring their families to this meeting may obtain family tickets at Straus Hall beginning at 8 o'clock this morning.

Courtesy tickets to the University Theatre, where the ceremonies will be broadcast, may be obtained upon presentation of Tercentenary passes. Non-holders of passes may enter after 10.55 o'clock.

ASSOCIATED HARVARD CLUBS luncheon, Memorial Hall Delta Pavillion, 1.00 o'clock. Open to Alumni and special guests. Tickets at 50 cents each will be on sale in the Yard and must be presented at the Delta entrance.

LUNCHEON for wives of Alumni, at 50 cents apiece, will be provided in Sever Quadrangle immediately following the meeting of the Associated Harvard Clubs.

LUNCHEON given by the Faculties of the University in honor of the Delegates. Memorial Hall, 1.30 o'clock. Open to Delegates, members of the Governing Boards, Professors, and Associate Professors of the University.

LUNCHEON given in the Houses at 1.30 o'clock for Undergraduate Delegates, Undergraduates, and their guests. Show Tercentenary Pass.

TERCENTENARY CONCERT II. Boston Symphony Orchestra, Dr. Serge Koussevitsky, Conductor. Sanders Theatre, 4 o'clock. Tickets will be supplied to Delegates and members of their families and their hosts; and to the Governing Boards, Professors, and Associate Professors of the University, and the ladies accompanying them.

The program consists of Bach's Suite Number Two in B Minor, for fluts and strings, Haydn's Symphony in G Major, and Mozart's Symphony in E Flat.

REUNIONS of Harvard College Classes, and of Associations of Graduates of the Professional and Graduate Schools. Afternoon and Evening.

HARVARD ENGINNERING SOCIETY. Meeting in connection with the Tercentenary. Inspection of Labortory during afternoon. Assembly at Room 110, Pierce Hall, 2.30 o'clock. A guide will be provided.

Dinner at the Continental Hotel, Cambridge, at 7.00 o'clock. Reservations may be made at $2.00 each, except for the classes of 1935 and after, who will be admitted without charge. The principal speaker will be Mason Rogers, of the Dewey and Almy Chemical Company, whose chosen title is "Up in the Air--Exploring the Stratosphere with Instrument Carrying Balloons." Charles F. Brooks '11, Director of the Blue Hill Observatory, will speak on the meteorological aspect of such experiments, K. O. Lange will explain and demonstrate the radio meteorograph, and A. E. Bent will talk on radio. Other speakers will include Robert Ridgway, prominent civil engineer of New York; Lewis J. Johnson, Professor of Civil Engineering; and R. H. Watson, vice-president of United States Steel and president of the Society.

EXHIBITION FOOTBALL PRACTICE, Soldiers Field, 3.00 o'clock. Open to Graduates, Undergraduates, Undergraduate Delegates, and their guests. Show Tercentenary Pass. The football team will go through a regular practice which will be described through a loud speaker system. The band will also perform.

ASSOCIATION OF HARVARD CHEMISTS. Tercentenary Meeting. Mallinskrodt Chemical Laboratory, 3.00 o'clock.

ALUMNI ASSOCIATION OF THE GRADUATE SCHOOL OF EDUCATION. Dinner at the Hotel Sheraton, 91 Bay State Road, Boston, at 7.00 o'clock. Reservations may be made at $2.00 each. Professor Donald B. Durrell will act as toastmaster. Speakers will include William H. Kilpatrick, Professor of the Philosophy of Education at Columbia; Dr. Payson Smith, former Massachusetts State Commissioner of Education; Henry W. Holmes, Dean of the Graduate School of Education; Robert Ulich, professor of Philosophy at Dresden; and Paul H. Hanus, professor of History and the Art of Teaching, Emeritus.