-16- 
INSECTICIDES— CHEMICAL PAPERS— Continued 
(165) Soloway, S. B., and LaForge, F. B. 
The Synthesis of Some Beta-Keto Esters. Jour. Amer. Chem. 
Soc. 69 (11): 2677-2678. November. 
(166) Weisser, J.,* and Gooden, E. L. 
Particle Size Reduction of DDT In Grinding With Diluents. 
Agr. Chem. 2 (8): 28-29. August. 
INSECTICIDES— GENERAL PAPERS 
(167) Bishopp, F. C. 
Hew Insecticides— A Progress Report on Results Being Obtained 
in Preliminary Studies. Agr. Chem. 1 (6): 19*22, 39*40. 
October. 
(168) Bottger, G. T., and Levin, Clemence 
Preliminary Tests of Synthetic Organic Compounds as Insecti- 
cides. Part III. U. S. Bar. Ent. and Plant Quar. E-729, 
23 pp., June; Part IV, E-738, 14 PP» December. /Procesae&J/ 
(169) Brannon, L. W. 
Piperonyl Cyclonene and Piperonyl Butoxide as Synergists With 
Rotenone. (Scientific Note) Jour. Econ. Ent. 40 (6): 933* 
934* December. 
(170) Fales, J. H., McGovran, E. R., and Fulton, R. A. 
Gamma-Benzene Hexachloride in the Llvuefled-Gas Aerosol. Jour. 
Scon. Ent. 40 (5) i 754* October. 
(171) Gertler, S. I. 
A Review of Laboratory Tests on the Toxicity of Some N- 
Substituted Bensamides to Various Insects. U. S. Bur. Ent. 
and Plant Quar. E-732, 12 pp. August. /jhrocQsa&iJ 
(172) Hall, David G. 
A New Rival for DDT— Hexaethyl Tetraphosphate. Flower Grower 
34 (4) J 339, 362. April. 
(173) 
New Pest Killers. Farm Jour. 71 (5)» 68, 70. May. 
(174) Haller, H. L. 
Wartime Development of Insecticides. Indus, and Engin* Chem. 
39 (4)« 467-473* April* 
(175) Mayer, E. L. , Talley, Florence B. , and Woodward, C. F. 
Nicotine Insecticides. Part III — Dust Carriers for Nicotine. 
U. S. Bur. Ent. and Plant Quar. E-720, 11 pp. April. 
^Proceaaedj/ 
