482 MISC. PUBLICATION 3 64, U. S. DEPT. OF AGRICULTURE 



Swaine, J. M. (9557) 



insect infestations, Canad. Forest and Outdoors 21 : 403-404. 1925. 



(9558) 



ravages of insects in Canadian FORESTS, Canad. Forestry Jour. 12 (6) : 



562-566; (7) : 632-635, illus. 1916. 



(9559) 



recent insect injuries in Canadian forests. Brit. Empire Forestry Conf. 

 Proc. and Resolutions 1923 : 217-223. 1923. 



Tucker, J. T. (9560) 



pine beetles killing ten percent of the trees. Timberman 21 (9) : 80. 

 1920. 



United States Forest Service. (9561) 



good timber sold cheap to check ravages of black hills beetle. u. s. 

 Dept. Agr., Forest Serv., Press Bull. 147. 1907. 



Weed, C. M. (9562) 



insect record for 1902. N. H. Agr. Expt. Sta. Bull. 90: 30-44, illus. 1902. 



Winters, S. R. (9563) 



insect ravages in our forests. Sci. Amer. 124 (3) : 48, 60, illus. 1921. 



Woods, J. B. (9564) 



forest insect situation. West Coast Lumberman 56 (4) : 15, 24. 1929. 



CONTROL AND PROTECTIVE MEASURES AGAINST INSECTS 



Anonymous. (9565) 



the battle against forest insects. Amer. Forestry 26 : 411. 1920. 



(9566) 



beetle control work begun in pine region. Timberman 23 (7) : 40. 1922. 



(9567) 



combatting pine beetle infestation. Timberman 22 (9) : 132-36. 1921. 



(9568) 



fighting timber destroyers. Pioneer West. Lumberman 59 (7) : 25. 1913 



(9569) 



FOREST INSECTS : HENRY S. GRAVES HEADS NEW ASSOCIATION TO STUDY AND COM- 

 BAT destruction of timber. Paper Mill 36 (51) : 36. 1913. 



(9570) 



[oregon] insect control act. Timberman 22 (7) : 111. 1921. 



— (9571) 



WESTERN BEETLE CONTROL: [OREGON LAW EFFECTIVE MAY 25, 1921]. Timberman 



22 (6) : 30-31. 1921. 



— (9572) 



western states forest insect conference. Timberman 22 (6) : 40-41. 1921. 

 Belyea, H. C. (9573) 



THE CONTROL OF WHITE PINE WEEVIL (PISSODES STROBI) BY MIXED PLANTING. 



Jour. Forestry 21 : 384-390. 1923. 



Boone, A. R. (9574) 



controlling insect ravages in forest areas. Amer. Lumberman 2631 : 58-59, 

 illus. 1925. 



(9575) 



fighting the forest insect army. Timberman 26 (7) : 58-60, illus. 1925. 



Burd, J. S., and Ramage, W. D. (9576) 



protection of marine piling against borer attack. Indus, and Engin. Cbem. 

 19 (11) : 1234-1240. 1927. 



Burgess, A. F. (9577) 



THE CONTROL OF SOME IMPORTED TREE DEFOLIATING INSECTS. 4th Intematl. 



Cong. Ent. Trans. 2 : 571-578, illus. 1928. 



