Bui. 606, U. S. Dept. of Agriculture. 
Plate XII 
Penetration in Red-Heart Beech (Faqus atropunicea). 
1, piece No. 89 treated 30 minutes; 2, piece No. 90 treated 60 minutes; 3, piece No. 91 treated 
120 minutes. Compare the penetration in this wood with that shown in Plate VII, show- 
ing the penetration in white-heart beech. 
