FORESTRY QUARTERLY 



BOARD OF EDITORS 



B. E. PERNOW, I.L. D., Editor-in-Chief. 



HENRY S. GRAVES, M. A., FILBERT ROTH, B. S., 



Yale Forest School TTniversity of Michigan 



RICHARD T. FISHER, A. B., H ; AKER, M. P. 



H;nvar(]. T^iii vi r«ii y Iowa ytate College of Agri- 



culture and Mechanic Arts 



ERNEST A. STERLING, P. E., RAPHAEL ZON, P. E., 



Forest Service Forest Service 



FREDERICK DUNLAP, F. !■: , 'KYT^F LEAVITT, M. S. P., 



F(u-( St SiTvicr Forest Service 



The Objects for Which This Journal Is Published Are: 



To ;!i 1 in the establishment of rational forest management. 



To offer on or,2,an for the publication of technical papers of 

 interest to professional foresters in America. 



To keep the profession in touch with the current technical 

 literature an^i fr.ioctw- n.Mvpnient in the United States. 



Manuscripts may be sent to the Editor-in-Chief at Ithaca, 

 N. Y., or to any of the board of editors. Subscriptions and 

 other business matters should 'be addressed to Business Man- 

 ager, Forestry Quarterly, Ithaca, N. Y. 



