Thirty is two strokes given at the beginning of every game of a set.
Half forty is two strokes given at the beginning of the first game, three strokes given at the beginning of the second game; and so on, alternately, in all the subsequent games of the set.
Forty is three strokes given at the beginning of every game of a set.
Half court: The players may agree into which half court, right or left, the giver of the odds shall play; and the latter loses a stroke if the ball returned by him drops outside any of the lines which bound that half court.
THE BALLS.
The balls shall measure not less than 2-15/32 inches, nor more than 2½ inches in diameter; and shall weigh not less than 1-15/16 oz., nor more than 2 oz.
