Other Current Literature 81 



Durchforstungs- und Lichtungstafeln. Von Dr. Hemman. 

 Berlin: Springer. 1913. Mk. 2.60. 



Contains 16 yield tables for oak, beech, birch, alder, pine, 

 spruce, fir, calculated from regular yield tables the amount of 

 thinnings material from five to five years for various densities 

 from .6 to 1. 



BACK COPIES WANTED 



The American Forestry Association wishes to secure the follow- 

 ing back copies of The Forestry Quarterly and will pay for them ; 



Vol. 2— No. 3. 

 Vol. 3— Nos. 1, 2, 3 and 4. 

 Vol. 4— Nos. 2 and 4. 

 Vol. 5— Nos. 1, 2 and 3. 



Address: AMERICAN FORESTRY ASSOCIATION 

 Washington, D. C. 



