feasible, entitles the opponent to call a stop, and to take his turn to play immediately. It is highly important to watch very closely for "stops," as they are frequently overlooked. A stop may be called the moment the player in error puts his fingers upon any card other than one which should be played on the foundations, even if that card is not moved.
When there is no further play possible upon the foundations, the player turns his attention to the remainder of the tableau. He may build upon any card in the tableau by placing upon it a card of a different color, red on black, or black on red, but in descending sequence; a six on a seven, a queen on a king, and so on. Only one card may be removed at a time, and if there are already two or more in any pile in
