Egan agreed to buy of McDonald a parcel of land in South Dakota and paid $1,000 to bind the bargain. McDonald agreed to furnish a merchantable title. After examining the abstract, Egan asserted that the title was not merchantable, demanded back his money, and, upon refusal, brought an action in a state court to recover it. Upon substantially undisputed facts judgment was entered for defendant and was affirmed on appeal by the Supreme Court of South Dakota. 36 S. D. 92, 153 N. W. 915. The case comes here on writ of error under section 237 of the Judicial Code (Act March 3, 1911, c. 321, 36 Stat. 1156 [Comp. St. 1916, § 1214]).

McDonald's title was this: (1) A 25-year trust patent dated December 12, 1895, for an Indian allotment issued to Weasel, under section 11 of Act of Congress March 2, 1889, c. 405 (25 Stat. 888, 891). (2) Deed to R. J. Huston dated October 9, 1908, from Plays and two others therein described as 'sole and only heirs of Weasel, deceased, a Crow Creek Sioux Indian,' approved by the Secretary of the Interior, March 2, 1909, and thereafter duly recorded in the Department of the Interior and the Registry of Deeds. (3) A final decree of distribution of the estate of Weasel in the county court making distribution of the land to Plays and two others as only heirs. (4) Deed from Huston to McDonald, dated November 3, 1910. (5) A decree of the state circuit court entered in 1912 in a suit brought by McDonald to quiet title and declaring him to be the owner in fee of the land.

Egan contends that this title was not merchantable, both because there was no power in the heirs of Weasel to alienate the property and because there had been no adjedication in any federal court that the three persons purporting to convey to Huston were the only heirs of Weasel.

First. As to the power of Weasel's heirs to convey: The trust patent was issued under section 11 of the Act of Congress of March 2, 1889. Under the provisions of that statute and the terms of the trust patent, the heirs, as well as Weasel, were without power to convey title before the expiration of the 25 years. But, by section 7 of the Act of Congress May 27, 1902 (32 Stat. 275, 888 [Comp. St. 1916, § 4223]), adult heirs were given power to convey with the approval of the Secretary of the Interior; and it is declared that 'such conveyances * * * when so approved shall convey a full title to the purchaser, the same as if a final patent without restriction upon the dlienation had been issued to the allottee.' Congress had, of course, power to remove the restrictions originally imposed upon alienation by heirs. Williams v. johnson, 239 U. S. 414, 420, 36 Sup. Ct. 150, 0 L. Ed. 358.

Second. As to the lack of federal adjudication: Neither in 1908 when the deed to Huston was executed, nor in 1909 when it was approved by the Secretary of the Interior, was there any provision of law that heirs of an Indian allottee under a trust patent could make a valid conveyance only if some federal court should first have established that they were the heirs. Nor was there then a provision, like that prescribed by Act of June 25, 1910, c. 431 (36 Stat. 855 [Comp. St. 1916, § 4226]), that the Secretary of the Interior shall determine in such case who the legal heirs are. Hallowell v. Commons, 239 U. S. 506, 36 Sup. Ct. 202, 60 L. Ed. 409. Plaintiff relies upon McKay v. Kalyton, 204 U. S. 458, 468, 27 Sup. Ct. 346, 51 L. Ed. 566; but the case does not decide that adjudication of heirship in a federal court is a condition precedent to a valid conveyance by heirs. It decides merely that the Act of August 15, 1894, c. 290 (28 Stat. 286), which gave to Indians, who claimed to be entitled to an allotment the right to litigate their claim in a federal court, did not confer the right to litigate in state courts.

Third. The case at bar is not a suit to establish who are the heirs of a deceased Indian allottee, nor a suit to establish the right to an allotment, nor a suit to quiet title. It is an action at law upon an implied promise to return the earnest money, if the vendor fails to furnish Egan a merchantable title. It was admitted that the persons who joined in the deed to Huston were heirs of Weasel and that they were adults. The state court held that, McDonald having shown a deed to Huston approved by the Secretary of the Interior and executed by three persons who declared themselves to be the only heirs, the burden was upon the plaintiff to establish the fact, if it was such, that there were other heirs; and that the mere suggestion in argument that there may have been some additional heirs does not cast such a suspicion upon the title as to render it unmerchantable. This is a matter of state law with which we have no concern. Nor have we occasion to consider whether, as held in Daugherty v. McFarland (S. D.) 166 N. W. 143, decided January 18, 1918, the mere approval by the Secretary of the Interior would have operated to convey to the grantee a good title, even if it had appeared that the deed was executed by a part of the heirs only.

The decision of the Supreme Court of South Dakota is

Affirmed.