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shade tree insects . . . Davey Inst. Tree Survey, Instr. Book 10, 31 pp., 

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harsh treatment for tree pests. House and Garden 44 (2) : 52, 82-86. 



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insect enemies of ornamental trees. House and Gard. 41 (5) : 65, 136-138, 



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insects and shade trees. Amer. City. 6 : 731-732. 1912. 



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protection of shade trees against insects. Amer. City 6: 644-646, illus. 

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insect problems of western shade trees. Jour. Econ. Ent. 12 (4) : 333- 

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notes on three shade tree pests. Jour. Econ. Ent. 5 (2) : 169-172. 1912. 



