This action is brought, not on the defendant’s promise to pay to the son the money secured by the bond, but on the bond itself. The plaintiff might have declared on it, as a lost bond, in the old form; but he has filed a statement of his cause of action, under the act of 1806, in which he has stated it particularly.

Sorry are we to say, however, that the release by the second husband of the obligee’s widow, did not remove the objection to her competency on the score of .interest, in the subject-matter of the suit. She had an interest in her intestate husband’s estate, and she was consequently incompetent to increase it. She was in the predicament of a bankrupt, called to increase the fund. Did her second husband’s release divest her entirely of it ? It was an assignment of her chose in action, which was not assignable at law; and, according to the principle of Siter’s case, 4 Rawl. 468, it passed only his own interest — in other words, a right to take it to himself, by reducing it to possession. Surviving him, she would still be entitled to her full share of her first husband’s estate, if the second should not have received it. Had he received a valuable consideration for the assignment or release, its effect would have been different; but the consideration was merely nominal. It is urged, that' though she may not have been competent by force of her husband’s release, she was competent by force of her own release, when she was sole. But she executed no release. She testified, that when the bond was missed, she asked him to say what would be done now it could not be found; and that when ho *511said he would keep the money for the son, she was satisfied. There was no contract in that: nor was there a consideration for one, even if the conversation amounted to an agreement to release; yet it is proved by her own oath, and she is not a witness to make way for her own testimony.

Judgment reversed, and a venire de novo awarded.