140 Nature protected 
office for forest management (Forstein- 
richtungs- Bureau) has been charged 
with inserting the position of remark- 
able natural monuments upon the 
forest-maps, and a great number of 
these new maps has been already 
printed. 
I was requested by the Minister 
to deliver lectures at the Prussian 
forest academies, on the preservation 
of natural monuments in the forests. 
I gave these special lectures at the 
Academies of Forestry, and also at the 
Academies of Agriculture and Veteri- 
nary Science, in the years 1907 and 
1908. 
The Department of Public 
Works instructed its engineers and 
architects to direct their attention to 
the preservation of natural monuments. 
In constructing channels, roads, rail- 
ways, or buildings, it should be their 
care that essential monuments of nature 
