University Calendar.

Appleton Chapel, 7.30 p.m. Rev. George E. Merrill of Newton.

Members of the University are requested to enter by the door on the south side of the Chapel. The front pews will be reserved for them until 7.30.

Week-day morning prayers at 8.45 a. m. No seats are assigned, either for officers or classes.

Professor D. G. Lyon will conduct morning prayers from April 23-30.

Prof. Lyon may be found at Wadsworth House 1 daily, from 9-10 a. m.

25. MONDAY.President and Fellows of Harvard College. Meeting at No. 50 State St., Boston, 11 a. m.

Seminary of American History. Reconstruction in Alabama, Mr. F. G. Caffey; Nermont during the Revolution, Mr. W. G. Brown; Federal Relations of South Carolina, Mr. David F. Houston. University 20, 7.30 p. m.

Application of Science to the Useful Arts. Lecture. Subject: "Joseph Henry's researches and their bearing upon the subject of the transmission of power over great distances by means of electricity." The lecture will be illustrated by experiments. Prof. Trowbridge. Jefferson Physical Laboratory, 8 p. m.

Open to the public.

27. WEDNESDAY.Last day for receiving names of competitors for the Boylston Prizes.

Professor A. S. Hill will be in Sever 1 from 4 till 5 to revise and complete the list of competitors. Selections may then be submitted for approval.

Divinity School. Conference. Divinity Chapel, 4.30 p. m.

Teaching of Physics. Lecture. Professor Hall. Jefferson Physical Laboratory, Room 3, 4.30 p. m.

Open to the public.

Tennyson. Lecture. E. Charlton Black, Esq., late of the University of Edinburgh Sever 11, 7.30 p. m.

Open to the public.

28. THURSDAY.English 6. Oral Debate. University 2, 3.30 p. m.

Question: "Resolved, That active interference by the United States in Spanish American affairs is advisable."

Principal Disputants. - Affirmative: A. M. Day and R. W. Hale. - Negative: J. S. Brown and J. B. Lewis. Open to all students of the University.

Young Men's Christian Association. Mr. Russell Sturgis. Lawrence Scientific School Building, 6.30 p. m.

Classical Club. A tour through the Peloponnesus. Illustrated lecture by Professor Rufus B. Richardson, of Dartmouth College. Harvard 1, 7.45 p. m.

Open to the public.

29. FRIDAY.Methods of Elementary instruction in Greek. The Art of Reading. Professor J. W. White. Harvard 1, 4.30 p. m.

Open to members of the University and to teachers.

Methods of Modern History and Diplomacy. The Schleswig-Holstein Question. Mr. P. L. Horne. University 20, 4.30 p. m.

Harvard Union. National Nominating Convention of all parties. Sanders Theatre, 7.30 p. m.

The Convention is open to all members of the University. Men attending are requested to sit with their respective States.

Divinity School Chapel. Preaching Service. Mr. O. J. Fairfield. 7.30 p. m.

Open to the public.

APPLICATION OF SCIENCE TO USEFUL ARTS.A course of lectures on the Application of Science to the Useful Arts will be given by Professor Trowbridge, beginning Monday, April 18, at 8 p. m. The work of distinguished Americans will constitute the subject of the lectures.

THE CLASSICAL CLUB.Professor Rufus B. Richardson, of Dartmouth College, recently Director of the American School at Athens, will lecture before the Classical Club on "A Tour Through the Peloponnesus," on Thursday evening, April 28. The lecture will be illustrated by the stereopticon, and will be open to the public.

METHODS OF TEACHING.Professor J. W. White will continue his discussions of Elementary Methods of Instruction in Greek, on Fridays, at 4.30 p. m., in Harvard 1. These discussions include practical exemplifications of principles. They are open to members of the University and also to teachers not connected with the University.

Professor Hall will give two public lectures on the teaching of Physics on Wednesdays, April 20 and 27, at 4.30 p. m., in room 3, Jefferson Physical Laboratory.

LECTURES ON LITERARY TOPICS.The remainder of Mr. E. Charlton Black's series of public lectures will be on the following authors: Tennyson, Sainte-Beuve, Heine.