protection of the public interests, the utility and safety of the forests, and the perpetuation thereof in pr oductive condition by wise use; and it is the purpose of this chapter to provide for the same. 

[1148-2.] 

SECTION 1017 . Extent of Public Rights in Forests and Forest Products . — No prescriptive right to the use, possession, or enjoyment of any forest product, nor any permanent concession, continuing right, privilege or easement of any kind whatsoever upon or w ithin the public forests and respecting the products thereof, shall accrue or be granted otherwise than in conformity with the provisions of this law, and except as specially provided, all such forests shall be and remain open to the people of the Philippi ne Islands for all lawful purposes. 

[1148-6.] 

SECTION 1018 . Regulation Setting Apart Forest Reserves — Revocation of Same . — Upon the recommendation of the Director of Forestry, with the approval of the Secretary of the Interior, the Governor-General may set apart forest reserves from the public lands , and he shall by proclamation declare the establishment of such reserves and the boundaries thereof, and thereafter such forest reserves shall not be entered, sold, or otherwise disposed of, but shall remain as such for forest uses, and shall be administe red in the same manner as public forests. 

The Governor-General may in like manner by proclamation alter or modify the boundaries of any forest reserve from time to time, or revoke any such proclamation, and upon such revocation such forest reserve shall be and become part of the public lands as th ough such proclamation had never been made. 

[1148-4.] 

SECTION 1019 . Assignment of Forest Land for Agricultural Purposes . — Lands in public forests, not including forest reserves, upon the certification of the Director of Forestry that said lands are better adapted and more valuable for agricultural than for f orest purposes and not required by the public interests to be kept under forest, shall be declared by the Secretary of the Interior to be agricultural lands. 

[1148-7.] 

SECTION 1020 . Establishment of Boundaries for Public Forests . — When the public interest requires the establishment of the boundaries of any public forest the Director of Forestry, with the approval of the Secretary of the Interior, 

