Acceptance by the promisee is usually conclusive as to third persons. A contract by a stepson to assist his stepfather,1 or by a child to live with a man and his wife as their child,2 or a

6 Avery v. Willson, 81 N. Y. 341; 37 Am. Rep. 503.

7 Bean v. Bunker, 68 Vt. 72; 33 Atl. 1068.

8 Phenix Ins. Co. v. Luce, 123 Fed. 257; Condon v. Hail Association, 120 la. 80; 94 N. W. 477; Seely v. Ins. Co., 72 N. H. 49; 55 Atl. 425.

9 McDonald v. Life Association, 154 Mo. 618; 55 S. W. 999.

10 German Ins. Co. v. Gueck, 130

111. 345; 6 L. R. A. 835; 23 N. E. 112.

11 Royal Ins. Co. v. Martin, 192 U. S. 149.

12 Meincke v. Falk, 61 Wis. 623; 50 Am. Rep. 157; 21 N. W. 785.

1 Mills v. McCaustland, 105 la. 187; 74 N. W. 930.

2 As consideration for a contract to make a will. Burns v. Smith, 21 Mont. 251; 69 Am. St. Rep. 653; 53 Pac. 742. For a similar case, contract of subscription to a college,3 are each sufficiently performed where the promisee accepts such performance as satisfactory to himself. Third persons cannot thereafter object that such contract was not performed.