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AMERICAN FORESTRY 



THE MAGAZINE OF THE AMERICAN FORESTRY ASSOCIATION 



PERCIVAL SHELDON RIDSDALE, Editor 



June 1920 



CONTENTS 



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Vol. 26, No. 318 



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Editorial Department. 



VISIT OUR NATIONAL PARKS! 

 On the way to Cripple Creek. 



Publication Office, 522 East Street, Baltimore, Md. 



Headquarters Office, Maryland Building, 

 Washington, D. C. 



Entered as second-class mail matter December 24, 1909, at 

 the Postoffice at Baltimore, under the Act of March 3, 1879. 

 Copyright, 1918, by the American Forestry Association. 

 Accepted for mailing at special rate of postage provided 

 for in Sec. 1103, Act of October 3, 1917, authorized February 

 27, 1920. 



The Use of Aircraft in Forestry By Ellwood Wilson. 

 With four illustrations. 



How Fires Destroy our Forests By J. V. Hofmann.. 

 With seventeen illustrations. 



National Honor Roll, Memorial Trees 



Forests as a Farm Crop By E. T. Meredith 



Management of the State Forests of Pennsylvania By Joseph S. Illick . 

 With eight illustrations. 



White Pine "Flu" By John N. Washburne 



With three illustrations. 



How a Builder Respected a Tree By Helen Harrison. 

 With one illustration. 



Living Memorials 



With eleven illustrations. 



"Hall of Fame" for Trees 



With three illustrations. 



The Eggs of Birds By Elsa G. Allen. 

 With six illustrations. 



Arizona Pine Poem by M. J. Riordan. 



Giving Medicine to Trees By Dr Caroline Rumbold 



With five illustrations. 



Need of Forests for Wood Pulp By E. T. Meredith 



The Need for an Army Forest Service 



The Fall Web Worm and the Swallowtails By Dr. R. W. Shufeldt 



With six illustrations. 



Grandsire Loon's Mistake By Frances H. Upton 



With one illustration. 



Forestry Editorial Digest 



Trees to Beautify Dallas, Texas 



Canadian Department By Ellwood Wilson 



Migratory Bird Law Upheld 



Farmers Should Observe "Woodlot Day" 



State News 



Indian Forester Here 



Empire State Forest Products Association 



Dynamite The Soil Rejuvenator 



Forest School Notes 



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