. An annotated list of the important North American forest insects. Forest insects. DEFECTS IX TIMBER CAUSED BY INSECTS 29 The loss to seasoned hardwood products ranges from 10 to 50 per cent, sometimes representing a loss of thousands of dollars to a sino^le manufacturer or dealer who neglects to adopt the proper preventne measures. The affected articles are not only reduced in value l)ut. Fig. 31.—Powder-posted .*tock in tht- bdsilare. A, end of bolt; B, cud of section of bolt ; bolt rousb "l-iniagod by Xuloiiopx C, planed section of frequently are rendere
. An annotated list of the important North American forest insects. Forest insects. DEFECTS IX TIMBER CAUSED BY INSECTS 29 The loss to seasoned hardwood products ranges from 10 to 50 per cent, sometimes representing a loss of thousands of dollars to a sino^le manufacturer or dealer who neglects to adopt the proper preventne measures. The affected articles are not only reduced in value l)ut. Fig. 31.—Powder-posted .*tock in tht- bdsilare. A, end of bolt; B, cud of section of bolt ; bolt rousb "l-iniagod by Xuloiiopx C, planed section of frequently are rendered worthless for the purpostns for which they are intended. In the aggregate the direct financial loss that has been caused by these beetles in this country has amounted to hundreds of thousands of dollars. The loss increases Avith the length of time the infested stock is held in storage; the wood may be reinfestcd by many. 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
