An owner employed a broker to procure a purchaser for his land on specified terms; the broker produced a third person who offered to buy and to convey certain lands in exchange therefor, and to pay a specified sum in addition. Held, that the broker, in order to recover his commissions, may prove that the owner and the third person reached an agreement, and that the third person had title to, or was authorized to convey the land offered in exchange, and that he was financially able to respond in damages on the failure of title. Blachledge v. Davis, 129 Iowa, 591, 105 N. W. 1000; Shipman v. N. Y. R. E. Asso., 135 N Y. Sup. 571. Compare Herscher v. Wills, 103 I11. App. 418.