-247- 
v387) SULLIVAN, W. N., SCHECHTER, M. S., and HALLER, H. L. 
1943* Inseotioidal tests with Phellodendron amurense extrac- 
tive and several of its fractions* (Scientific Note) 
Jour* Econ* Ent* 36: 937-938. 
(388) SWENK, M. H. 
1914* The important insect enemies of field crops in Nebraska 
and their control* Nebr* State Ent* Bui* 3, 24 pp* 
(389) SWINGLE, W. T., HALLER, H. L., SIEGLER, E. H*, and SWINGLE, H* C. 
1941* A Chinese ihsecticidal plant, Tripterygium wilfordli , 
introduced into the United States* Science 93:' 60-61. 
(390) TATTERSFIELD, F* 
1936* The work of the Department of Insecticides and Fungicides 
1918-1936* Rothamsted Expt* Sta*, Harpenden, Rpt* 
1936 : 84-99. 
(391) and GIMINGHAM, C* T. 
1932* The insecticidal properties of Tephrosia macropoda Harv* 
and other tropical plants. Ann. Appl. Biol. 19: 253- 
262* 
(392) GIMINGHAM, C* T., and MORRIS, H. M. 
1925. Studies on contact inseoticides. Ann* Appl. Biol* 12: 
61-76. 
(S93) GIMINGHAM, C. T., and MORRIS, H. M* 
1926* Studies on oont&ct insecticides* Part IV. A quantita- 
tive examination of the toxicity of oertain plants 
and plant products to Aphis rumiols , L* (the bean 
aphis). Ann* Appl* Biol* 15: 424-445* 
(394) MARTIN, J. T*, and HOWES, F* N. 
1940* Some fish-poison plants and their insecticidal properties. 
Kew Roy* Bot. Gard* Bui* Misc. Inform* 6: 169-180* 
(396) and POTTER, C. 
1940* The insecticidal properties of oertain speoies of Annona 
and of an Indian strain of Mundulea serioea (*supli*) • 
Ann* Appl* Biol* 27: 262-275* 
(396) and ROACH, W. A* 
1923* The chemical properties of D errls el 11 pt lea (tuba root) • 
Ann. Appl* Biol. 10: 1-17. 
(397) THIBAULT, J. K., Jr. 
1918. Vegetable powder as a larvicide in the fight against 
mosquitoes. A preliminary note. Amer. Med. Assoc. 
Jour. 70: 1215-1216. 
