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1929. THE PANDORA MOTH, A PERIODIC PEST OF WESTERN PINE FORESTS. 



U. S. Dept. Agr. Tech. Bui. 137, 20 pp., illus. 



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1930. CONTROL OF THE MOUNTAIN PINE BEETLE IN LODGEPOLE PINE BY 



the use of solar heat. U. S. Dept. Agr. Tech. Bul. 195, 

 20 pp., illus. 



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1928. TREE SELECTION BY THE WESTERN PINE BEETLE. Jour. Forestry 



26: 564-578, illus. 



(134) Potts, S. F. 



1940. THE EFFECTIVENESS OF CONCENTRATED SPRAYS IN THE CONTROL 



OF certain forest insects. U. S. Bur. Ent. and Plant 

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(135) Prebble, M. L., and Graham, K. 



1945. THE CURRENT OUTBREAK OF DEFOLIATING INSECTS IN COAST 



hemlock forests of British Columbia. Brit. Columbia 

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(136) Rust, H. J. 



1935. THE ROLE OF PREDATORY AGENTS IN THE ARTIFICIAL CONTROL 



OF the mountain pine beetle. Jour. Econ. Ent. 28: 688- 

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(137) St. George, R. A. 



1929. PROTECTION of log cabins, rustic work, and unseasoned 



wood from injurious insects. U. S. Dept. Agr. Farmers' 

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(138) Salman, K. A. 



1934. entomological factors affecting salvaging of fire-injured 



trees. Jour. Forestry 32: 1016-1017. 



(139) 



1935. the effects of attack by pissodes terminalis hopping on 



lodgepole pine in California. Jour. Econ. Ent. 28: 496-497. 



(140) 



1938. RECENT EXPERIMENTS WITH PENETRATING OIL SPRAYS FOR THE 



control of bark beetles. Jour. Econ. Ent. 31: 119-123. 

 (141) and Bongberg, J. W. 



1942. LOGGING HIGH-RISK TREES TO CONTROL INSECTS IN THE PINE 



stands OF northeastern California. Jour. Forestry 40: 

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 (142) Snyder, T. E. 



1924. TESTS OF METHODS OF PROTECTING WOODS AGAINST TERMITES OR 



white ants. A progress report. U. S. Dept. Agr. Bul. 1231, 

 16 pp., illus. 



1926. preventing damage by lyctus powder-post beetles. U. S. 

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1926. PREVENTING DAMAGE BY TERMITES OR WHITE ANTS. U. S. Dept. 



Agr. Farmers' Bul. 1472, 22 pp., illus. 



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(144) 



(145) 



(146) 



(147) 



1935. our enemy, the termite. 196 pp., illus. New York, N. Y. 



(148) Struble, G. R. 



1937. THE FIR ENGRAVER BEETLE, A SERIOUS ENEMY OF WHITE FIR AND 



red fir. U. S. Dept. Agr. Cir. 419, 11 pp., illus. 



(149) Swaine, J. M. 



1913. tent caterpillars. Canad. Dept. Agr. Ent. Div. Cir. 1, 14 pp., 

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1927. DEFECTS IN TIMBER CAUSED BY INSECTS. U. S. Dept. Agr. Bul. 



1490, 47 pp., illus. 



1933. injury to buildings by termites. U. S. Dept. Agr. Leaflet 

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