. Defects in timber caused by insects. Wood; Forest insects. Fig. 11.—Pinholes in the sap-wood of high-grade cypress blocks ; end view of logs in freight car; wood completely riddled by ambrosia beetles (Platypus compositus and XijWborus sp.). Fig. 12.—Pinholes caused by ambrosia beetles (Xyleborus sp.) in mahogany flitches. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Snyder, Thomas Elliott, b. 1885. Washington, D. C. :

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. Defects in timber caused by insects. Wood; Forest insects. Fig. 11.—Pinholes in the sap-wood of high-grade cypress blocks ; end view of logs in freight car; wood completely riddled by ambrosia beetles (Platypus compositus and XijWborus sp.). Fig. 12.—Pinholes caused by ambrosia beetles (Xyleborus sp.) in mahogany flitches. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Snyder, Thomas Elliott, b. 1885. Washington, D. C. : U. S. Dept. of Agriculture

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwa, booksubjectwood