14.—When a revoke has been made the opponents may search all the tricks.
15.—A revoke cannot be claimed after the cards have been cut for the next deal.
16.—Bystanders should be silent.
The following general principles will be found to be of very great value:—
FIRST HAND.
1.—Lead from your strongest suit.
2.—Lead the highest of a head sequence.
3.—Lead the highest of a numerically weak suit.
4.—Try to avoid changing suits.
5.—In the second round of a suit return the lowest of a four suit, the highest of a three suit.