Bui. 561, U. S. Dept. of Agriculture. 



Plate IV. 



Fig. 1.— Pen 9, Mixed Pen of General-Purpose Breeds. 

 On free range; not fed any beef scrap. 



Fig. 2.— Pen 15, White Leghorns and Barred Plymouth Rocks. 

 On free range, fed one-third cottonseed meal in mash. 



