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Dr. J.A. Hyslop, of the Bur. of Entomology, Dept. of Agric., who keeps the record of damage done throughout the continent by thousands of harmful insects. These records are filed and studied in order that warnings of impending insects outbreaks may be sent to the entomologist so that he may prepare
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Credit lineDr. J.A. Hyslop, of the Bur. of Entomology, Dept. of Agric., who keeps the record of damage done throughout the continent by thousands of harmful insects. These records are filed and studied in order . 1924-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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