“ The peremptory declaration of Congress, that 'no claim shall be allowed for any land, the right to which has hitherto been lawfully acted upon and decided by Congress,' necessarily prohibits the court from passing upon the merits of any such claim.'
In confirming the La Joya grant and supervising its survey the court proceeded in evident contravention of that prohibition, for it extended the confirmation and survey to about 11,000 acres of lands within the Belen grant which had been confirmed by Congress and patented long before the Act of 1891 was passed. ”

“ All the powers conferred upon it are incident to the exercise of that jurisdiction. When it has no jurisdiction to confirm or reject, it has no authority to inquire into or pass upon the case, beyond the decision of the question of jurisdiction. ”