Students registered in Harvard College and in the Lawrence Scientific School who propose to take any of the Shopwork Courses, must register at the College Office, 4 University Hall, between 9 and 4 o'clock today or tomorrow. Other persons, not registered in the University, who propose to take the Shopwork Courses, should register at University 4 at the same hours today and tomorrow. The first meetings of Engineering 10a, 10b, 10c and 10e will be in Pierce 212, at 10 o'clock on Saturday