The expression, j'adoube, requires no explanation for a chess player. For the benefit of the pinochle pack, it indicates the intent of a player to adjust the position of one of his pieces on the square already occupied by that piece. Should a player touch his piece without this statement of intent, he must make a definitive move with that piece. Non-chess-playing authors should be familiar with this expression when contemplating a second (or subsequent) edition. Perhaps they should be required to state in their preface, j'adoube, and justify it, or to indicate the nature of the definitive move they have made. Parenthetically, a second law of the chess board might apply to authors of scientific articles. If a player touches his opponent's material, he must capture it.
The second version of Dr. Dacie's treatise on the hemolytic anemias represents a definitive move by a master player. The advances of