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CUNE, A. C, aud MacAxoney, H. J. 



1931. A method of reclaiming severely weeviled white pine plantations. 



Bull. No. 152, 11 pp. Massachusetts Forestry Association, Boston. 

 1933. The improvement of weeviled white pine plantations. Publ. No. 24, 

 11 pp. Connecticut Forest and Parli Association, New Haven. 



1935. Progress report of the reclamation of severely weeviled white pine 



plantations. Journ. Forestry, vol. 33, No. 11, pp. 932-935. 

 Craighead, F. C. 



1924. The Blacls Hills beetle practicing forestry on the Kaibab. The Forest 



Worker, November, p. 74, U. S. Dep. Agr., Forest Service. 

 1925a. The Dendroctonus problems. Journ. Forestry, vol. 23, No. 4, pp. 



340-354. 

 1925b. Bark beetle epidemics and rainfall deficiency. Journ. Econ. Ent., 

 vol. 18, No. 4, pp. 577-586. 



1936. Forest insects and forestry. Penn State Sylvan, pp. 18-19, 85, 92. 

 1938. Research points the way in forest insect control. Journ. Forestry, 



vol. 36, No. 9, pp. 905-908. 



Cbaighead, F. C, Melleb, J. M., Keen, F. P., and Evenden, J, C. 



1931. Control work against bark beetles in western forests and an ap- 

 praisal of its results. Journ. Forestry, vol. 29, No. 7, pp. 1001-1018. 



Cbaighead, F. C, and St. Geobge, R. A. 



1938. Experimental work with the Introduction of chemicals into the sap 



stream of trees for the control of insects. Journ. Forestry, vol. 36, 

 No. 1, pp. 26-34. 

 Dunning, Duncan. 



1928. A tree classification for the selection forests of the Sierra Nevada. 

 Journ. Agr. Res., vol. 36, No. 9, pp. 755-771. 

 Eaton, C. B. 



1941. Influence of the mountain pine beetle on the composition of mixed 

 pole stands of ponderosa pine and white fir. Journ. Forestry, vol. 

 39, No. 8, pp. 710-713. 

 Evenden, J. C, and Gibson, A, L. 



1940. A destructive infestation in lodgepole pine stands by the mountain 

 pine beetle. Journ. Forestry, vol. 38, No. 3, pp. 271-275. 

 FiSKE, W. F. 



1913. The gypsy moth as a forest insect, with suggestions as to its control. 

 U. S. Dep. Agr., Bur. Ent. Circ. 164. 

 Graham, S. A. 



1939. Principles of forest entomology, 2d ed., 410 pp. McGraw-Hill Book 



Co., New York City. 

 Gbaham, S. A., and Orb, L. W. 



1940. The spruce budworm in Minnesota. Techn. Bull. 142, Univ. Minne- 



sota Agr. Exp. Stat., 27 pp. 

 Hall, Ralph O. 



1933. Post-logging decadence in northern hardwoods. Univ. Michigan School 

 of Forestry and Conservation, Bull. No. 1, 66 pages. 

 Hewitt, C. Gokdon. 



1912. The large larch sawfly. Dom. Canada Dep. Agr., Bull. No. 10, ser. 2, 

 42 pp. 

 Hopkins, A. D. 



1899. Report on investigations to determine the cause of unhealthy con- 

 ditions of the spruce and pine from 1880-1893. West Virginia Agr. 

 Exp. Stat. Bull. 56, pp. 197-461. 



