and the Secretary of the Interior in the public interest, and may- 

 provide in such licenses for forfeiture thereof in ease of viola- 

 tion of such terms. 



Sec. 19. The Chief of the Bureau of Forestry, under regulations 

 to be prescribed by him, with the approval of the Secretary of 

 the Interior, may grant gratuitous licenses for the free use of 

 timber, firewood, gums, resins, and other forest products, and of 

 stone and earth, in reasonable quantities and within definite 

 territorial limits, for domestic purposes, and not for sale, barter, 

 or any .other use whatsoever. He may also, within definite 

 territorial limits, similarly prescribe the free use of forest 

 products and of stone and earth for public works : Provided, 

 That a gratuitous license for woods of the first group shall not 

 be issued. 



Sec. 20. The Chief of the Bureau of Forestry, with the approval 

 of the Secretary of the Interior, may, when the public interests 

 so require, make requisition upon the Bureau charged with public 

 surveys, to proceed to demarcate, establish on the ground, and 

 erect monuments along the boundaries of any public forest or 

 forest reserves; and it shall be the duty of the last-named 

 Bureau to comply with said requisition: Provided, That no 

 duplication of work shall be caused by such demarcation: And 

 provided further, That the cost of such demarcation shall be 

 defrayed from the revenues of the public forests or forest reserves. 



Sec. 21. In order to promote uniformity and cooperation in the 

 forest work of the Philippine Islands and the United States, and 

 to facilitate the comparison of results, the methods of the Philip- 

 pine Bureau of Forestry in forest measurements, timber tests, 

 silvicultural observations, and other forest work, shall, so far as 

 practicable, and in the discretion of the Chief of the Bureau of 

 Forestry, be based upon the corresponding methods of the Bureau 

 of Forestry of the United States Department of Agriculture. 



Sec. 22. No ofiicer or employee of the Bureau of Forestry shall 

 have any pecuniary interest in any forest or in any business in 

 lumber, firewood, gums, resins, or other forest products, or stone 

 or earth, in the Philippine Islands; Provided, That this prohibi- 

 tion shall not apply to guards or assistant guards, or to persons 

 temporarily acting as guards or assistant guards. 



Sec. 23. Every official, employee, or agent of the Bureau Of 

 Forestry is empowered to make arrests without process in or 

 upon the public forests or forest reserves, or territory adjac.ent 

 thereto, of any person who is committing or attempting to 

 commit any violation of this Act or the regulations established 

 thereunder, and it shall be the duties of governors of provinces, 

 the Philippines Constabulary, and of municipal presidents to 

 assist in making the arrests prescribed in this section when 

 called upon to do so. Where the person or persons found violat- 

 ing the provisions of this Act are members of a non-Christian 

 tribe, they shall be dismissed with a warning in the case of a 

 first oflfense, but upon conviction of a second oflFense shall be 

 : punished as in this Act provided for violations hereof. When 

 any arrest is made under the provisions of this section without 

 warrant, the official, employee, or agent of the Bureau of Forestry 

 shall obtain a warrant from competent authority at the earliest 

 , practicable moment under the circumstances. Prisoners with 

 or without warrant shall in all cases within twenty-four hours, 

 if reasonably practicable, be brought before a judge or justice of 



