An act prescribing rules and regulations governing the homesteading, selling, and leasing of portions of the public domain of the philippine islands, prescribing terms and conditions to enable persons to perfect their titles to public lands in said islands, providing for the issuance of patents without compensation to certain native settlers upon the public lands, providing for the establishment of town sites and sale of lots therein, and providing for the determination by the philippines court of land registration of all proceedings for completion of imperfect titles and for the cancellation or confirmation of spanish concessions and grants in said islands, as authorized by sections thirteen, fourteen, fifteen, and sixty-two of the act of congress of july first, nineteen hundred and two, entitled "an act temporarily to provide for the administration of the affairs of civil government in the philippine islands, and for other purposes."