158 OUTLINES OF FORESTRY. 



such cases, is often so almost entirely removed by 

 the force of the rushing snow that little but the 

 bare rocks remain. 



In Italy, laws passed in 1877, set aside the fol- 

 lowing classes of lands as suitable for being in- 

 cluded under the provisions of the forest regula- 

 tions, namely : 



Forest lands on mountain-sides, or in such 

 places as might, from their location, by the loss of 

 their trees, cause injury to the lowlands by ava- 

 lanches, or that might, by their drainage, influence 

 or modify the water-courses. 



It is generally recognized in some of the west- 

 ern portions of the United States, that when trees 

 are planted in plots around the farm lands, or on 

 the sides of such lands, the protection thus af- 

 forded the rest of the land against the winds is 

 greater in actual money value than the rent of the 

 ground occupied by such forests. 



Whenever reforestation is attempted over ex- 

 tended areas, care should be taken as to the por- 

 tions which are best suited for such purposes. 



It would seem that the following locations are 

 especially adapted as being suited for the perpetual 

 maintenance of forests on them, namely : 



1. Wetlands. 



