FOREST ENTOMOLOGY 467 



Schufeldt, R. W. (9266) 



insects in their relation to forestry. Amer. Forestry 25 : 1221-1225, illus. 

 1919. Also pub. in Sci. Amer. Sup. 88 : 320-321, illus. 1919. 



Smith, J. B. (9267) 



the role of insects in the forest. N. J. Geol. Survey Ann. Kept. 1899: 

 203-32, illus. 1900. 



Snyder, T. B. (9268) 



CLOSER UTILIZATION HELPS CONSERVE OUR FORESTS : INSECT DEFECTS. South. 



Lumberman 1473 : 131-134, illus. 1923. 

 Middleton, W., and Keen, F. P. (9269) 



THE PROGRESS OF FOREST ENTOMOLOGY IN THE UNITED STATES. JOUT. Econ. Ent. 



16 (5) : 413-420, illus. 1923. 



Spaulding, Perley. (9270) 



the relations of insects io fungi. Plant World 6 (8) : 182-184. 1903. 



Swaine, J. M. (9271) 



forest entomology and its development in canada. 3d Brit. Empire 

 Forestry Conf., Papers Presented, 1928: 187-207. 1928. 



(9272) 



forest insi:ct invesitgations in canada, 1928. Forestry Chron. 5 (2) : 



35-41. 1929. 



(9273) 



insect problems in Canadian forests. Canad. Forestry Assoc. Rept. 15 : 87- 



90, illus. 1913. Also pub. in Pulp and Paper Mag. 11 (14) : 476-477. 

 1913. 



(9274) 



studies on the relation of forest insects and other factors to forest 

 regeneration. Agr. Gaz. Canada 5: 860-861. 1918. 



Tragardh, Ivar, and Craighead, F. C. (9275) 



problems and methods in forest entomology. Jour. Forestry 22 (6) : 64-81. 

 1924. 



United States Bureau of Entomology. (9276) 



the relation of insects to slash disposal. U. S. Dept. Agr., Dept. Circ. 

 411: 12 pp. 1927. 



Van Dyke, E. C. (9277) 



research in forest entomology. Calif. Countryman 13 (4) : 8, 22. 1927. 



Woehlke, W. V. (9278) 



Asiatic parasites in our forests. Sunset Mag. 50 (1) : 30-31, 67, illus. 

 1923, 



Zavitz, E. J. (9279) 



forest entomology. Ontario Ent. Soc Ann. Rept. 36 : 123-126, illus. 1905. 



INSECT LISTS AND DESCRIPTIONS 



Anonymous. (9280) 



insects injurious to forest trees. Amer. Forestry 17 : 335-343, illus. 1911. 



(9281) 



other insect pests of is) os. N. H. Forestry Comm. Bien. Rept. 1907-8: 



16-17. 1908. 



(9282) 



short chapter on insects injurious to timber trees. Soutb. Lumberman 

 425 : 4-5. 1900. 



Adkin, B. W. (9283) 



some very injurious BEErxES. Quart. Jour. Forestry 13 (1) : 45-49. 1919. 



Bailey, H. L. (9284) 



important tree insects of Vermont. Vt. Dept. Agr. Bull. 35, 51 pp., illus. 

 1925. 



Beal, J. A. (9285) 



insect enemies of forest trees. Soutb. Lumberman 1671 : 53. 1927. 



