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1626. Walker, E. Some muskmelon experiments. <Bull. No. 69, 
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Notes on the common insect enemies. 
1627. Walker, E. Why apple trees fail. <Bull. No. 71, Arkansas 
Agric. Exp. Station, May, 1902, pp. 32, 16 figs. 
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1628. Walker, E. M. Report on insects of the year. <33d Ann. 
Kept. Ent. Soc. Ont. f. 1902 (1903), pp. 39-41, 5 figs. 
1629. Wall, W. B. Parasites of injurious insects. <Calif. Fruit 
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1630. Ward, H. B. Mosquitoes in relation to human pathology. 
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1631. Washburn, F. L. Insects notably injurious in 1902. <Bull. 
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62 figs.; also as Seventh Ann. Rept. State Entomologist of 
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1632. Washburn, F. L. The Griddle mixture. <Press Bull. No. 16, 
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1633. Washburn, F. L. Distribution of the chinch bug in Minnesota. 
<Bull. No. 40, Div. Ent., U. S. Dept. Agric., August, 
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1634. Washburn, F. L. A criticism upon certain codling moth 
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1635. Washburn, F. L. Hessian fiy reared in the laboratory. <Can. 
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1636. Washburn, F. L. Injurious insects of 1903. <Bull. No. 84, 
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1637. Washburn, F. L. The Mediterranean flour moth. <Spec. 
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1638. Washburn, F. L. Insects of the year in Minnesota, with data 
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1639. Washburn, F. L. Oryptorhynchus lapcithi in Minnesota. 
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