-9- 
FOREST AND SHADE-TREE INSECTS AND TERMITES—Continued 
(82) Hall, David G. 
Tussock lloth HitB Idaho. Timberman 43 (6)» 46, 48. April. 
(83) Hoffman, C. H., Hepting, G. H.,* and Roth, E. R.* 
A Twig Droop of White Pine Caused by Pineus (Chinoidaa). 
Jour. Econ. Ent. 40 (2)t 229*231. August. 
(84) Hunt, Geo. M., and Snyder, T. E. 
An International Termite Exposure Test. Amer. Wood Preservers 1 
Assoc. 18th Prog. Rpt. , 16 pp. April. 
(85) Milliron, H. E. 
A lfymarid Which Parasitizes the Eggs of the Saratoga Spittlebug. 
Ent. Soc. Amer. Ann. 40s 217-220. June. 
(86) 
A New Aphelinid Egg Parasite of the Saratoga Spittlebug, 
Aphrophora saratogensls (Fitch). Ent. Soc. Wash. Proc. 
49 (7)t 193-197. October. 
(87) Potts, S. F. 
Concentrated Spray Application. Natl. Shade Tree Conf • 23t 
183-193. 
(88) Romney, V. E«, Whitten, R. R. , and Madden, A. H. 
DDT Wettable Powders and Emulsions Used on American and 
Asiatic Elms. Jour. Econ. Ent. 40 (3)t 430. June. 
(89) Sheals, R. A. 
Airplane Spraying for Gypsy Moth Control. Jour. Forestry 
45* 712-714« October. 
(90) Snyder, T. E. 
Cooperation With the Pest Control Industry. Pests 15 (9)t 
12. September. 
(91) 
(92) 
Do lou Worry About Termites? Better Homes and Gardens 25 
(10) j 144-147. June. 
Panama Test Homes Immune to Termite Attack After 21 Years. 
Wood Preserv. News 25 s 36-38, 45* May. 
(93) Struble, G. R. 
Twig Damage in Sugar Pine Caused by the Cone Beetle. (Notes) 
Jour. Forestry 45 (1): 48-50. January. 
(94) Weiss, Freeman,* and St. George, R. A. 
Culture, Diseases, and Pests of the Box Tree. U. S. Dept. 
Agr. Farmers 1 Bui. 1855, rev., 18 pp. April. 
