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[[strikethrough]] 28 [[/strikethrough]] [[strikethrough]] 40 [[/strikethrough]] (30) CHARLES V. RILEY. Applied Entomology in the United States. Amer. Agriculturist, 51, January, 1892, p. 38 ff. Importance assumed by Economic Entomology in the United States and outline of its history; [[strikethrough]]E[[/strikethrough]]enumeration of injurious insects of national importance that have of late years been thoroughly studied; [[strikethrough]]B[[/strikethrough]]brief review of the more recently discovered insecticides and insecticide appliances; [[strikethrough]]U[[/strikethrough]]use of contagious disease germs in entomology; [[strikethrough]]O[[/strikethrough]]outlook of the science in the future.