FORESTRY QUARTERLY 



BOARD OF EDITORS 



B. E. Fernow, LL. D., Bditor-in-Chief. 



Henry S. Graves, M. A., Samuei, J. Record, M. F., 



Forester, U. S. Forest Service, Yale University. 



R. C. Bryant, F. E., hugh P. Baker, Ph. D., 



Yale University, ^ ,^ . , 



r, _. _ . ^ Syracuse University. 



Richard T. Fisher, A. B,, 



Harvard University. C. D. HowE, Ph. D., 

 Wai<TER Mui<FORD, F. E., University of Toronto. 



Cornell University. RaphaEI< Zon, F. E., 



Ernest A. Sterling, F. E. jj^ s. Forest Service. 



Consulting Forest Engineer, _ _ ,, « •« 



Philadelphia, Pa. ChYDZ LEAVITT, M. S. F., 



Frederick Dunlap. F. E., Commission of Conservation, 



U. S. Forest Service. ^^^^'"^' ^^''' 



FiuBERT Roth, B. S., J- H. White, M. A., B. Sc. F., 



University of Michigan. University of Toronto. 



Asa S. Williams, F. E. 



the objects for which this journal is published ahe: 



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 of 

 editors. 



Subscriptions and other business matters should be addressed 

 to Forestry Quarterly, Ithaca, N. Y. 



Press of 



Watchman Printing House 



Bellefonte, Pa. 



1912 



