FOREST ENTOMOLOGY 481 



Millee, J. M. (9537) 



THE RELATION OF WINDFALLS TO BARKBEETLE EPIDEMICS. 4th Internatl. Cong. 



Ent. Trans. 2 : 992-1002. 1928. 



Mills, E. A. (9538) 



plagues of the forest. Country Gent. 78 : 434-435, illus. 1913. 



Ogle, C. E. (9539) 



the modern enemy of the pine forest. Timberman 21 (7) : 81-82. 1920. 



Packard, A. S. (9540) 



additions to the third report on the causes of the destruction of the 



evergreen and other forest trees in northern new England. U. S. Dept. 



Agr., Div. Ent. Bull. 12 : 17-23. 1886. 



(9541) 



CAUSES OF DESTRUCTION OF EVERGREEN FORESTS IN NORTHERN NEW ENGLAND AND 



new york. U. S. Dept. Agr. Kept. 1883 : 138-151. 1883. 

 (9542) 



REPORT ON THE CAUSES OF THE DESTRUCTION OF THE EVERGREEN AND OTHER 

 FOREST TREES IN NORTHERN NEW ENGLAND AND NEW YORK. U. S. Dept. Agr. 



Kept. 1883: 138-151; 1884: 374-383; 1885: 319-333. 1883-85. 

 Pearce, W. J. (9543) 



THE RELATION OF INSECT LOSSES TO SUSTAINED FOREST YIELD. JOUT. Forestry 18 : 



406-411. 1920. 

 Peirson, H. B. (9544) 



ESTIMATING FOREST INSECT DAMAGE AND PROGRESS REPORT ON OTHER FOREST 



insect studies. Maine Forest Serv. Bull. 3 : 22 pp. 1924. 



Perry, G. S. (9545) 



tree damage by the red spider. Jour. Forestry 28: 864-867. 1930. 



Person, H. L. (9546) 



a forest insect epidemic. Calif. Countryman 16 (7) : 11, 31, illus. 1930. 



Rane, F. W. (9547) 



recent troubles with our forest trees. Mass Hort. Soc. Trans. 1917 (1) : 

 57-69. 1917. 



St. George, R. A. (9548) 



the recent death of large quantities of southern pine. Amer. Lumberman 

 2607 : 50-51, illus. 1925. 



(9549) 



A report of an investigation TO determine the cause of the death of cer- 

 tain PINES IN THE SOUTHERN STATES FROM ALABAMA TO TEXAS DURING 1924. 



Amer. Lumberman 2601 : 48-49. 1925. 



(9550) 



SOUTHERN PINE BEETLE AND OTHER INSECT ENEMIES OF SOUTHERN PINE. Lum- 

 ber Trade Jour. 86 (9) : 37-38. 1924. Also pub. in Lumber World Rev. 

 47 (9) : 127-128. 1924. 



Sidman, C. A. (9551) 



forest trees killed by insects. World To-day 20 l 616-617. 1911. 



Snyder, T. E. (9552) 



insects and forest trees. Nature Mag. 5(5): 311-314, illus. 1925. 



Swaine, J. M. (9553) 



the destruction of Canadian forests by insects. Pulp and Paper Mag. 

 23 (26) : 723-726. 1925. 



(9554) 



forest insect conditions in British Columbia ; a preliminary survey. Can- 

 ada Expt. Farms, Div. Ent. Bull. 7, 41 pp., illus. 1914. 



(9555) 



forest insect conditions in the riding mountains, Manitoba. Canad. For- 

 estry Jour. 8 : 152-154. 1912. 



(9556) 



insect armies that follow in the wake of fire. Canad. Forestry Mag. 



18 (3) : 666. 1922. 

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