124 Nature protected 
and to determine upon measures for 
preserving them, if possible, by influ- 
encing the owners in favour of their 
preservation. The office has no 
financial resources for purchasing lands 
bearing natural monuments, which 
work is left to public bodies and socie- 
ties. The Commissioner is prepared 
to answer every inquiry relating to the 
subject, and in case of necessity he 
goes to the spot. He has to make an 
annual report to the minister, and two 
reports have already been published \ 
In co-operation with the Prussian 
State Office, in each province a Pro- 
vincial Committee for the care of 
Natural Monuments"; and in districts, 
if it is possible, sub-committees are to 
1 Beitrage zur Naturdenkmalpflege, herausge- 
geben von H. Conwentz. — Heft I. Bericht iiber 
die staatliche Naturdenkmalpflege in Preussen im 
Jahre 1906. Mit 7 Abbildungen. Berlin, 1907. — 
Heft U. Bericht im Jahre 1907. Mit 5 Abbil- 
dungen. Berlin, 1908. 
