. An annotated list of the important North American forest insects. Forest insects. Fig. 7.—Pinholes caused by ambrosia beetles in heading and tight cooperage in South Carolina. ?Xy'.ifij' :3 X^ Fig. S.—Pinholes in grct^u lumbur cuubcd au umbr-^ia beetlo (A'lilc- hoi us xyloyraphuH) galleries. Injury to green heartwood stock and to partly seasoned stock of such woods as hickory and cypress in many cases does not produce the stain. These holes are always open (never filled with dust), and are either clear or black and associated with discolored streaks or stains 38252°—27 2. Pleas
. An annotated list of the important North American forest insects. Forest insects. Fig. 7.—Pinholes caused by ambrosia beetles in heading and tight cooperage in South Carolina. ?Xy'.ifij' :3 X^ Fig. S.—Pinholes in grct^u lumbur cuubcd au umbr-^ia beetlo (A'lilc- hoi us xyloyraphuH) galleries. Injury to green heartwood stock and to partly seasoned stock of such woods as hickory and cypress in many cases does not produce the stain. These holes are always open (never filled with dust), and are either clear or black and associated with discolored streaks or stains 38252°—27 2. 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 Craighead, Frank C. (Frank Cooper), 1890-; Perry, George S; Snyder, Thomas Elliott, b. 1885; Hopkins, A. D. (Andrew Delmar), 1857-1948; MacAloney, Harvey John, 1896-; Graham, Samuel Alexander, 1891-; Peirson, Henry Byron, 1894-; Herrick, Glenn W. (Glenn Washington), 1870-1965; Britton, Wilton Everett, 1868-1939; Tanaka, T; Sanders, J. G; Howard, L. O. (Leland Ossian), 1857-1950; Chittenden, F. H. (Frank Hurlbut), 1858-1929; St. George, R. A. (Raymond Alexander), b. 1894; Beal, J. A; Middleton, William, b. 1893; Burgess, A. F; Busck, August, 1870-1944; Carl A. Schenck Collection (North Carolina State University) NCRS. [Washington, D. C. : s. n.
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Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1900, bookdecade1900
