Mr. D. Brewer Eddy, Yale '98, one of the traveling secretaries of the Student Volunteer Movement, will speak at the meeting of the Christian Association in Phillips Brooks House at 7 o'clock this evening on "The Opportunity for Students in the Missionary Enterprise." At the close of the meeting a class will be organized for the systematic study of missions. This class, which will meet once a week, will be under the leadership of W. B. Sprague '02, and will be open to all members of the University.