FORESTRY QUARTERLY 



BOARD OF EDITORS 

 B. E. Fernow, LL.D., Editor^ftrChief 



Henry S. Graves, M. A., 



Forester, U. S. Forest Service 

 Raphael Zon, F.E., 



U. S. Forest Service 

 Frederick Dunlap, F. E., 



University oj Missouri 

 T. S. WooLSEY, Jr., M.F., 



U. S. Forest Service 

 Ernest A. Sterling, F.E., 

 Consulting Forest Engineer, 

 Philadelphia, Pa, 

 Clyde Leavitt, M.S.F., 

 Commission of Conservation, 

 Ottawa, Canada 

 Filibert Roth, B.S., 



University of Michigan 



Hugh P. Baker, D.Oec., 



Syracuse University 

 R. C.Bryant, F.E., 



Yale University 

 Samuel J. Record, M. F., 



Yale University 

 Richard T. Fisher, A. B., 



Harvard University 

 Walter Mulpord, F. E., 



University of California 

 A. B. Recknagel, M.F., 



Cornell University 

 C. D. Howe, Ph. D., 



University of Toronto 

 J. H.White, M.A., B.ScF., 

 University of Toronto 



Asa S. Williams, F. E. 



P. S. Ridsdale, Business Manager 

 Washington, D. C. 



the objects for which this journal is pubushed are: 



To aid in the establishment of rational forest management. 



To offer an organ for the publication of technical papers of 



interest to professional foresters of America. 

 To keep the profession in touch with the current technical 



literature, and with the forestry movement in the United 



States and Canada. 



Manuscripts may be sent to the Editor-in-Chief at the Uni- 

 Tersity of Toronto, Toronto, Canada, or to any of the board of 

 editors. 



Subscriptions and other business matters may be addressed to 

 Forestry Quarterly, 1410 H Street, N. W., Washington, D. C. 



NATIOHAL CAnTAL rSBSS, INC. 



WAaamcTON, o. c. 



