392 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1941 



Person, Hubert L. 



1928. Tree selection by the western pine beetle. Joum. Forestry, vol. 26, 



No. 5, pp. 564-578. 

 1931. Theory in explanation of the selection of certain trees by the west- 

 em pine beetle. Journ. Forestry, vol. 39, No. 5, pp. G96-699. 

 St. Geokge, R. A. 



1925. The recent death of large quantities of southern pine. Amer. Lumber- 

 man, May, pp. 50-51. 

 Salman, K. A. 



1938. Recent experiments with penetrating oil sprays for control of bark 

 beetles. Journ. Econ. Ent., vol. 31, No. 1, pp. 119-123. 

 Salman, K. A., and Bongbebg, J. W. 



1941. Logging high risk trees to control forest insects In pine stands of 

 northeastern Calif oraia. (Ms. approved August 2, 1941, for pub- 

 lication in Journ. Forestry.) 

 Seceest, H. C, MacAlonet, H. J., and Lorenz, R. C. 



1941. Causes of the decadence of hemlock at the Menominee Indian Reserva- 

 tion, Wisconsin. Journ. Forestry, vol. 39, No. 1, pp. 3-12. 

 Senate Document 12. 



1933. The progress in forest entomology and protection against forest insects 

 from "A National Plan for American Forestry." Sep. No. 28. 

 Swaine, J. M., and Craighead, F. C. 



1924. Studies on the spruce budworm {Cacoecia fumigerana (Clem)). Dom, 

 Canada Dep. Agr. Bull. No. 37, n. s. (techn.), 91 pp., 24 plates, 

 Ottawa, December. 

 West, A. S., Jb. 



1941. Biological notes on two species of Melanophila. Journ. Econ. Ent., 

 vol. 34, No. 1, pp. 43-45. 



