. Canadian forestry journal. Forests and forestry -- Canada Periodicals. -if-. [Courtesy "; A Typical Lumberman's Camp. tions of the year have been l)y the I)( ufJroctonus beetles on the pines, spruce and Douglas fir of the North- west and Pacific Coast and on the pine of the Southern States. As knowledge increases of the actual losses of merchantable timber caused principally by these beetles, it ap- pears that former estimates have been conservative and that these lieetles are in fact one of the principal factors in causing the enormous continued waste of the most valuable
. Canadian forestry journal. Forests and forestry -- Canada Periodicals. -if-. [Courtesy "; A Typical Lumberman's Camp. tions of the year have been l)y the I)( ufJroctonus beetles on the pines, spruce and Douglas fir of the North- west and Pacific Coast and on the pine of the Southern States. As knowledge increases of the actual losses of merchantable timber caused principally by these beetles, it ap- pears that former estimates have been conservative and that these lieetles are in fact one of the principal factors in causing the enormous continued waste of the most valuable tind)er re- sources of the Rocky ^Mountains and Pacific Coast regions and of the Southern States.' What is true for the Rocky ^loun- tain and Pacific Coast regions of the United States is also undoubtedly true for the corresponding regions in Can- ada and likewise for the northern forests of the Dominion. It is owing to the fact that in Canada there has not been given the attention to these destroying agencies that their im- portance demands that so little in- formation on the subject has been acquired and their destiaictive powers are so little realised. We are now endeavouring to obtain all the information possible as to the depredations of these bark beetles and other forest insects, in order to be able to investigate these destructive factors thoroughly. The Division of Entomology of the Federal De- partment of Agriculture has been strengthened by the appointment of :\Ir. J. :M. Swaine. ^NLSc, , for- merly lecturer in Entomology at ]Mac- douald College, Que., as Assistant Entomologist, to devote his entire time to the study of forest insects. "Sir. Swaine's extensive work and investi- gations on the bark beetles have made him one of the two chief authorities on these insects in North America, and he is now engaged in studying the distribution of the various species of bark beetles and their life-histories. A thorough investigation of their life- histories and ha
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