Some insects injurious to forests . Work of the Western Pine-destroying Barkbeetle in from Killed Tree; also Faint Marks on Surfaceof Wood. (Original. I Bui. 58, Bure. E ?gy U. S. De - -jre. PLATE Work of the Western Pine-destroying Barkbeetle, Removedfrom Killed Tree. Original.) THK WESTERN PINE-DESTROYING BARKBEETLE. 19

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1910