FORESTRY QUARTERLY 



BOARD OF EDITORS. 

 W. E. FfiRMow, LL.D., Bditor-in-Chief 

 Henky S. Graves, M.A., Hugh P. Baker, D.Oec, 



Forester, U. S. Forest Service Syracuse University 



Raphael Zon, F.E., ^- C Bryant, F,E., 



U. S. Forest Servu;- ^o/e VnivcrsUy 



FitEi>icRrcK DwLAP, F.E., ^^^i^^^. J Record, M. F., 



U. S. Forest Service ,, ,,. ... V^lc University 



T. S. Wooi^EY, Jr., M.F., K^cn^m 1. I^isher, A.B., 



U S. Forest Scyjice .„ ,, Harvard University 



Ernest A. Sterung, F.E., Waltek Mulford, F.E., 



Consulting Forest Engineer, , ,, „ Cornell University 



Philadelphia, Pa -^ ^''- ReCKNAGEL, M.F., 



Clyde LeaviTT, M.S.F., ^ CumeU University 



Commission of Conservation, ^-^ ^- il'^^^^i ^ h.U., 



Ottawa, Canada Umversity of Toronto 



Fii^iBERT Roth, B.S., ' TI. White, M.A., B.Sc.F., 



University of Michi.j University of T omnia 



Asa S. WiuaAMS, F.E. 



THK OBJMXrta POft WHICH THIS TOURNAZ« IS PUBUSBXD ABJt: 



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- 

 versity of Toronto, Toronto, Canada, or to any of the board o* 

 editors. 



Subscriptions and other business rnatters should^ be addressed 



to Forestry Quarterly, 1410 H St., N. W., Washington, D. C. 

 P. S. Ridsdale, Business Manager. 



Watchman PuiNTmo Kou«a 

 tUOettMttk, Pft. 



