With such advanced classes the instructor may find it best to remain silent during the drill. He should at its close call for criticisms. After this the drill may be repeated with a different chairman and the slips redistributed. The instructor can at any time vary the drill by interpolating slips.
There should be an understanding between the instructor and the class in reference to voting. Some signal should be given when the motion is to be adopted, and another signal when it is to be rejected. No signal should be given when it makes no difference whether the motion is adopted or lost. Unless there is some understanding the vote may be such as to interfere with carrying out the drill. To enable the instructor to know when to give these signals he should mark his copy of the Abstract with "+" for an affirmative and "O" for a negative vote as shown in Abstract above.
When the first drill is performed for the first time the instructor should be nominated for chairman. Afterwards students should be put in the chair. Classes vary so much in their ability and knowledge that no directions can be given that will be applicable to all. In the earlier drills the subject of minutes is not taught. It would be well, however, to require
