44 Nature protected 
maps ought to be collected in some 
central or local office. 
Protection 
It has been proposed to institute 
National Parks in Germany and other 
countries on the lines of those in the 
United States (see pages 165 et seq,). 
It is, however, quite impossible to 
make reservations of land of such 
considerable area in any part of 
central Europe ; and further it is not 
sufficient to make only a few such 
reservations, even if they be large, in 
a whole country. Rather should 
numerous small reservations of land 
be effected in different parts of the 
country as more suited to the purpose 
in view. Here, for instance, the face 
of a cliff might be protected, and there 
a moraine or a boulder ; here a fall or 
rapid, and there an old river-bed with 
