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Swaine, J. M. (9499) 



shade tree and forest insects in Manitoba. Agr. Gaz. Canada 4 : 755-763. 

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THE MORE IMPORTANT SHADE TREE INSECTS OF EASTERN CANADA AND THEIR CON- 

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Swiggett, E. M. (9501) 



INSECT PESTS MOST DANGEROUS TO MUNICIPAL SHADE TREES. Amer. City 8: 



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Vick, A. F. W. (9502) 



invasions from outside the plant kingdom. Tree Talk 5 (2) *. 20-23, illus. 

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two shade-tree pests. N. H. Agr. Expt. Sta. Bull. 33, 9 pp., illus. 1895. 



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combating the shade tree pests. Amer. City 24 (3) : 274-277, illus. 1921. 



DAMAGE BY INSECTS 



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the bug and the timber; results given in annual report of bureau of 

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death of trees — insect ravages. N. Y. State Forestry Comn. Rept. 1886: 



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FOREST INSECT DEPREDATIONS IN THE UNITED STATES AND CANADA. Timberman 



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INSECT DEPREDATIONS, DUE LARGELY TO FOREST DESTRUCTION AND SCARCITY OF 



birds. Aboricnlture 4 : 205-212. 1905. 



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insect injuries to forest trees of Indiana. Ind. State Bd. Forestry Ann. 



Rept. 7 : 19-52. illus. 1907. 



Briscoe, J. M. (9510) 



insect damaging spruce trees in maine. Amer. Forestry 18 : 731-733. 1912. 



Cary, Austin. (9511) 



effect of insect attack on spruce timber. Amer. Lumberman 2201: 44. 



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Chamberlin, W. J. (9512) 



the army of silent tree-killers. Amer. Forests and Forest Life 32 : 75-77 ; 

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Chittenden, F. H. (9513) 



INSECT INJURY TO CHESTNUT AND PINE TREES IN VIRGINIA AND NEIGHBORING 



states. U. S. Dept. Agr., Div. Ent. Bull. (n. s.) 7: 67-75, illus. 1897. 

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ADVERSE WEATHER AUGMENTS [INSECTS] INJURY TO TREES. U. S. Dept. Agr., 



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EVENDEN, J. C. (9515) 



ECONOMIC STATUS OF FOREST INSECTS IN THE NORTHERN INTERMOUNTAIN REGION. 



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insect situation. Timberman 27 (2) : 78, 80. 1925. Also pub. in Lumber 



World Rev. 49 (12) : 43-44. 1925. 



