61,62.

Consideration Defined.

63,64.

Necessity for Consideration, and Presumption.

65.66.

Adequacy of Consideration.

67.

Sufficiency or Reality of Consideration-

68-70.

Mutual Promises - Mutuality.

71-73.

Forbearance to Exercise a Right.

74-76.

Doing What One is Bound to Do.

77, 78.

Impossible and Vague Promises.

79.

Legality of Consideration.

80.

Consideration in Respect of Time - Past Consideration.