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Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: . PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST. By A. D. HOPKINS, Ph. D., Vice-Director and

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: , DIVISION OF ENTOMOLOGY. INSECT ENEMIES OF THE S1RUCE IN THE NORTHEAST. A POPULAR ACCOUNT OF RESULTS OF

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . was easily r 4 taken on May 10, while it was flying in the sun in a field near the forest. No

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Abstract:: The so-called powder-post injury to seasoned wood has attracted much attention in America, and especially in Europe for centuries, and has been the subject of published articles in many languages. This peculiar injury seems to be on the increase in the United States and numerous requests from a number of...
Resource Type:: Technical Report
Full Text:: OF ENTOMOLOGY, L. 0. HOWARD, Entomologist. POWDER-POST INJURY TO SEASONED WOOD PRODUCTS. By A. D

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: infested. R. S. Kellogg, in his discussion of forest planting in western Kansas, says: a By locating

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: DIRECTION OF THE ENTOMOLOGIST. BY A. D. HOPKINS, PH. D., In Charge of Forest Insect Investigation

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: PURCHASE EXPOSITION, ST. LOUIS, NIO., 1904. PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST BY A. D

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948, Fisher, Richard Thorton, 1876-1934, Von Schrenk, Hermann, 1873-1953, and United States. Bureau of Forestry
Resource Type:: Technical Report
Full Text:: , Bureau of Forestry, U. S. Dept. of Agriculture. PLATE XII. r WORK OF THE REDWOOD BARK–BEETLE. a

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