- 94 -. 
(12) 5ARFC0T, J. A. 
1935. The progress of rotenor.e. ITest, Grov/er and Shipper 
S (6): 13, 18. 
(13) BASINGFE, A. J. , and BOYCE, A. M. 
1936. Oran.ge t/onas in California and their control. Jour. 
Econ. Eat. 29: 161-163. 
# 
(14) BETREM* J. G. 
1931. Enkele verdere gegevens omtrent derris, als een insec- 
ticide leverende plant. Sericultures 5: 759-761. 
(15) EHATTA, K. L. , and NAMYASA1J, B. T. 
1S38. Report of'vrorh dene in Mysore [India] on the insecticidal 
value of plant fish-poisons and other forest products. 
(L'rcn April l c 56 to Larch 1C57.) 25 pp., New Delhi. 
[Abstract in Rev. Appl. Ent. (A) 26: 360-561.] 
(16) BOCK, C. 
1934. Derris elliptica. Deut. Apoth. Ztg. 2: 588-589. 
(17) BOURCART, E. 
1925. Insecticides, Fungicides, and Weed Killers. Trans, by 
T. R. Burton. English ed. 2, 451 pp., illus. London. 
(18) BOURSE, A. I., and BOYD, 0. C. 
1937. Pest control in the hone garden. Mass. Agr. Col. Ext. 
Leaflet 171, 12 pp., illus. 
(19) BOYCE, A. ?:., and PRERDE.nGAST, D. T. 
1938. Control of citrus red mite (spider). Calif. Citrog. 
23: 370, 3S8-400. 
(20) BRADDOCK, D. 13. 
1930. The demand for tobacco insecticides in the East Coast 
of Sumatra. U. S. Bur. Foreign and Dom. Com., Chcm. 
Div. Spec. Cir. 305, 4 pp. [Processed.] 
(21) BRITTAIN, W. K. 
1925. ~ Some miscellaneous insecticide tests. Acadian Ent. Soc. 
Proc. (1924) 10: 23-42. 
(22) 3R0RS0H, T. E. 
1936. Derris dusts impregnated v;ith a spreading and v:etting 
agent she:: increased efficiency against pea aphid. 
U. S. Dopt. Agr., Bur. Ent. and Plant Quar. News Let. 
3 (5): 18. [Processed.] 
(23) 
1936. Effect of ground derris upon pea aphid "when infesting 
peas subsequent to spraying. Jour. Econ. Ent, 29: 
1170-1172. 
