By the Court,
Ciíawitoed, J.The hill of complaint in this cause states, that about the 15th day of May A. D. 1846, at the United States Land Office at Green Bay, the complainant entered, purchased and paid for two hundred acres of land, a description of which is given in the hill, and that his said purchase was made subject to any valid pre-emption to said land; that he received the usual duplicate receipt from the receiver, which he still holds; that on or about the 27th day of January, A. D. 1846, the defendant Davis filed in the same land office a “ declaratory statement" of his intention to claim the right of pre-emption of the south-west quarter of section twenty-one, in township sixteen north, of range twelve east, containing one hundred and sixty acres, the same being a portion of the lands subsequently entered and purchased by the complainant, which claim to the right oi preemption was made under the act of Congress of Sepj temher 4th, A. D. 1841.
*550The bill further states that at the time of the filing of the said declaratory statement, Davis was not resident upon the land before described, and had not at that time erected any dwelling-house or made any improvements thereon, nor had he done so up to the date of the complainant’s purchase.
It also states that Davis, being an unmarried man, in May, 1846, did then jointly with one Haskins, pur chase and enter at the same land office a tract of land containing eighty acres, situate about eight miles from the land which he sought to obtain by pre-emption, that the defendant Davis and Haskins made improvements on the said tract of land entered by them with the intention of making- their home there, and that Davis frequently declared he did not intend to insist upon his aforesaid pre-emption claim, but had abandoned it.
It is further stated in the bill, that in the spring of 1846, the defendant Davis made .an agreement with one Thurston, by which the latter was to go upon the land in controversy and make improvements thereon, and in consideration thereof, Davis would give Thurs-ton one-half or some part of the land; that Thurs-ton accordingly did make some improvements, but doubting the sincerity of Davis, discontinued the improvement.
The bill further states that from his own examination of the land, the complainant knew before he en tered said land, that there were no improvements thereon; that he also knew from information that Davis did not intend to purchase said lands, that lie had purchased other lands, and was informed of the agreement between Davis and Thurston; that the complainant made hi3 entry and purchase aforesaid *551after he had been assured by the register and receiver at the Green Bay land office, that the pre-emption claim of Davis was invalid, and that if he had not believed the claim of Davis to have been abandoned, he would not have made the entry and purchase of the land. ■.
The complainant then proceeds to state and charge that one Samuel W. Beall proposed to the defendant Davis, to assist him in proving his pre-emption right and to furnish the money to pay for the land in con. sideration that he (Beall,) should receive a share of the benefits, which proposition was accepted by Davis, and in pursuance thereof, within one year after the making and filing of his “ declaratory statement,’ he made the oath required on the paid of the applicant for a pre-emption under the act of Congress of September 4th, 1841, and produced the necessary accompanying evidence, and thereupon the land officers permitted said Davis to enter and purchase the said one hundred and sixty acres of land ; that the oath of said Davis and the evidence produced by him were false and untrue and the land officers were misled thereby.
He further states that the land in question was af-terwards conveyed by Davis to Beall, in pursuance of their corrupt agreement; that a patent for said land has been issued by the President of the United States to said Davis, and has been received by Beall, and it charges that Davis and Beall well knew at the time of their corrupt agreement, that the complainant had entered the land in controversy, and paid therefor, and that conspiring together, &c., to defraud tbe complainant, by frauds and misrepresentations procured the entry of the land. By an amended *552^ is shown that the appellant, John Stimson, acquired a title to the land by a deed of conveyance from geaiy with a full knowledge of the complainnt’s ailt[ Stimson is made a defendant. The relief prayed for is that the defendant, Stimson, be decreed to execute to the complainant a proper conveyance of the land, and there is also the usnal prayer for general relief
The defendant Stimson, filed a general demurrer to the bill, which, after argument, was overruled, and the cause has been brought before us by an appeal from the order overruling the demurrer.
Two questions arise in this case. First, — is the decision of the register and receiver of the land, office, upon the claim of a party to enter a tract of land by pre-emption right, conclusive upon the subject; and second, can a party aggrieved by the decision of the land officers, resort to a court of equity for 'relief in any case ?
By section 15 of the act of Congress of September 4, 1841, where a person has, after the passage of that act, settled upon and improved a tract of land, and desires to secure to himself a right of pre-emption thereof, he must within thirty days next after the date of his settlement upon the land, file with the register of the land district in which the land is situated, a written statement describing the land, and de daring his intention to claim a pre-emption right thereto, and within twelve months next after the date of the settlement, make “ the proof, affidavit, and payment” required by the act in order to avail him-seif of the benefits there by afforded. The proof thus requii’ed, is specified in the twelfth section of the act. and relates to the “ settlement and improvement” of *553the land, which proof must he made to the satisfaction of the register and receiver of the land district in which the land is situated, in pursuance of rules on that subject, prescribed by the Secretary of the Treasury. The form and substance of the affidavit to be made by the claimant, is embodied in the thirteenth section of the act.
The sufficiency of the proof required under this act is entirely committed to the determination of the register and receiver, and in deciding upon it they must necessarily exercise their judgment in the same manner that any judicial officer exercises his judgment in ascertaining and determining facts from evi" dence adduced before him, according to the provisions of the law, which empowers him to adjudicate upon the subject. Here is involved not merely the performance of a formal ministerial act, but the exercise of what is a quasi judicial function, for the result or conclusion arrived at by the officers, from the evidence before them, is the dictate of their own judgment, and they cannot be compelled to alter it, or arrive at any other. Neither is the decision of the . officers in such a case subject to revision or reversal by any other officer or tribunal, because the act does not provide an appeal from the decision of the register and receiver. By the eleventh section of the act, in cases of conflicting claims to a pre-emption by different settlers, an appeal may be taken to the Secretary of the Treasury of the United States, but this right of appeal applies only to cases where two or more persons have settled on the same tract of land, and present antagonistic claims to the right of pre-emption thereof. '
It has been repeatedly held that in cases of this *554na^ure> where the subject matter has been within the jurisdiction of the land officers, and no circumstances misrepresentation or mistake have intervene(^ ¿|ecjsjon 0f the officers is conclusive upon the rights of the parties. ,To this effect are the cases of Lytle et. al. vs. the State of Arkansas, 9 How, 314, 333 ; Wilcox vs. Jackson ex. dem McConnell, 13 Peters, 498 ; Bennett vs. Farrar, 2 Grilm. 598.
But where the determination of the register and receiver has been procured by fraud, the party injured is not without redress, for by a proper application setting forth the facts to the commissioner of the general land office, the issuing of a patent for the lana would be deferred until the rights of the parties could be adjudicated in a judicial proceeding. The act of Congress of 29th May, 1830, concerning pre-emption rights, is, in respect to the question now under con-ssderation, very similar to the act of Sept. 4, 1841, and under the former act, as well as the act of 19th June, 1834, the Atttorney General of the United States, in an opinion given on the 21st April, 1836, says, “I think it very clear that the commissioner of the general land office may lawfully suspend the execution of letters patent in every case where he shall be satisfied that the decision of the register and receiver was obtained by fraud, or was founded on material error of fact or of law, until the decision of the judiciary or the direction of Congrsscan be obtained.’’
Very soon after this opinion was given, (on the 6th day of May, 1836,) the President of the United States approved certain rules relating to pre-emption cases» prepared by the Secretary of the Treasury, with the advice of the Attorney General,” which recognize the conclusive effect of the decision of the register and *555receiver, in ail cases in which they act within the scope of the authority given to them, but also recognizing the right of withholding the patent ip cases where there is good reason to believe that the decision of the land officers was obtained by fraud, or founded in material error of fact or of law. Vide Public Land Laws, Opinions, &c., Part 2, pp. 84, 92.
We believe that in every case in which the land officers act upon a subject within their jurisdiction under the act of Sept. 4, 1841, and no element of fraud or mistake intervenes affecting their decision, it is final and conclusive upon the parties, and cannot be questioned in any other proceeding.
It is very clear, however, that where the claimant in whose favor the land officers have awarded the right of pre-emption, has practiced fraud in procuring such decision, the party thereby deprived of a right or benefit to which he is entitled by the law, may just as appropriately invoke the aid- of a court of equity to relieve him, as in any other case of fraud, in justice or mistake falling within the cognizance of such a court. And it can make no difference that a patent for the land in conr,rovery has, as in this case, been issued by the United States, to the party charged with practicing fraud. The court of chancery can reach behind the patent, and administer equity between the parties by operating upon the title vested by the patent. In the -case of Brush vs. Ware et. al. 15 Peters, 93, it was held that “ where an equitable right, which originated before the date of of the patent, whether by the first entry or otherwise, is asserted, it may be examined.”
So also in Bagnell et. al. vs. Broderick, 13 Peters, 436, 451, it was held that “wherethe title has passed *556out of the United States by conflicting patents, as it bad in the case of 6 Peters, there can be no objection £0 the practice adopted by the courts of Mississippi, £0 gjve effect to the better right, in any form of remedy the legislature or courts of the State, may prescribe.”
The power of a court of equity to entertain a bill like the one before us, and to give relief in such a state of case, as is set up in this bill, is so well established both upon principle and authority, that wo deem it unnecessary to do more than refer to some of the cases adjudicated. Vide Lewis vs. Lewis, 9 Mo. 182 ; The United States vs. Hughes, 11 How, 552 ; Jackson ex. dem. Mancius vs. Lawton, 10 John. 23 ; Jamison vs. Doe ex. dem. Beaubien, 3 Scam. 113; Bodley et. al. vs. Taylor, 5 Cranch. 221, 223.
By section 41 of chapter 84 of our Revised StatuteSj when a bill in chancery charges a defendant “ with any fraud whatever affecting the right of property of others,” he shall be compelled to answer the bill, and under this section the defendant would be required to. answer the charge of fraud contained in this'bill.
It is not necessary to discuss the other points insisted upon in the argument of the counsel for the appellant, as we are entirely satisfied that the demurrer was very properly overruled.
The decretal order of the circuit court is therefore affirmed, with costs, and the cause must be remanded for further proceedings.