specified. They are undebatable, and require a two-thirds vote for their adoption. These motions may be amended, but can have no other subsidiary motion applied to them. They yield to privileged [14] and incidental [13] motions, and to the motions to lay on the table and for the previous question. They may be made only when the immediately pending question is debatable. When one of them is pending, another one that does not conflict with it may be moved as an amendment. After one of these motions has been adopted it is in order to move another one of them, provided it does not conflict with the one in force. This motion to limit or extend the limits of debate may be reconsidered even though the order has been partially executed, and if lost it may be renewed after there has been sufficient progress in debate to make it a new question.
After an order is adopted closing debate at a certain hour, or limiting it to a certain time, the motions to postpone and to commit cannot be moved until the vote adopting the order has been reconsidered; but the pending question may be laid on the table, and if it is not taken from the table until after the hour appointed for closing the debate and taking the vote, no debate or motion to amend is allowed, as the chair should immediately put the question. After the adoption of an order limiting the number or length of the speeches, or ex-