Bui. 321, U. S. Dept^of Agriculture. 
Plate I. 
FM7023 
Fig. 1 .—Worm Rail Fences are Rapidly Being Replaced by Woven-Wire Fences. 
FM7l)24 
Fig. 2.— Stone Walls Form a Harbor for Animals and Insects as well as for 
Brush and Weeds. On Account of the Large Amount of Labor Required 
IN Their Construction They are Very Costly. 
