Summary

Portrait of John Marshall John Marshall Delassus v. United States — Opinion of the Court

Who can doubt that it would have been so perfected, 'in conformity to the laws, usages and customs of the Spanish government, had not the sovereignty of the country been transferred to the United States?'
A grant or a concession made by that officer, who is by law authorized to make it, carries with it prima facie evidence that it is within his power. No excess of them, or departure from them, is to be presumed. He violates his duty by such excess, and is responsible for it. He who alleges that an officer entrusted with an important duty has violated his instructions, must show it.
Source: Wikisource

Portrait of John Marshall John Marshall Delassus v. United States — Opinion of the Court

It is apparent that those regulations were intended for the general government of subordinate officers; not to control and limit the power of the person from whose will they emanated. The baron De Carondelet, we must suppose, possessed all the powers which had been vested in Don O'Reilly; and a concession ordered by him is as valid as a similar concession directed by governor O'Reilly would have been. Had governor O'Reilly made such a grant, could it have been alleged that he had disabled himself by his instructions for the regulation of the conduct of his subordinate officers
Source: Wikisource

Portrait of John Marshall John Marshall Delassus v. United States — Opinion of the Court

They extend to all property until Louisiana shall become a member of the union; into which the inhabitants are to be incorporated as soon as possible, 'and admitted to all the rights, advantages and immunities of citizens of the United States.' That the perfect inviolability and security of property is among these rights, all will assert and maintain.
The right of property then is protected and secured by the treaty; and no principle is better settled in this country, than that an inchoate title to lands is property.
Source: Wikisource

Get perspective with Kwize: daily news enlightened by great literature