Bibliography of the More Important Contributions to American Economic Entomology, Vol. 5

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Excerpt from Bibliography of the More Important Contributions to American Economic Entomology, Vol. 5: Prepared by Authority of the Secretary of AgricultureEstimates the number Of injurious insects In the United States at 500 species, of which 100 are seriously destructive, divides the 100 into classes accord ing to their injuries, the orders they belong to, and the nature of their injuries, principal agencies against injurious insects.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.