- 31 - 
(35) GUNN,- D. 
1918, The bagrada bug (Bagrada hilaris). Union So. Africa 
Dept. Agr. 3ul . S, 16 pp., illus,, 
(36) HAMILTON, C. C. 
1938. Tests with derris powder or cube powder in rosin residue 
emulsion sprays for the control of shade tree insects. 
Natl. Shade Tree Gonf. Proc. 13: 140-147. 1937. 
(37) HASEMAN, L. 
1937. Controlling insect pests of melons, cucumbers, and re- 
• lated crops. Mo. Agr. Expt. Sta. Bui. 391, 19 pp., illus, 
(38) HAUDF, W. J. 
1939, Outline of uses and recommendations for rotenone dusts 
and sprays. John Powell & Co., New York, N. Y. 
20 pp.' [Processed.] 
(39) -.- 
1939. The pros and cons of bedbug control. Soap 15(10): 
90-92, 123. 
(40) HELY, P. C. 
1958. The bronze orargc- bug. A pest in citrus orchards, Agr. 
Gaz. N. S. Wales 49: 578-380. 
(41) HOCKEFYOS, G. L. 
1940. Bedbug spraying. Pests 8 (5): 12-16. 
(42) HOWARD, N. F. , and MASON, H. C. 
1937. Results of experimental work with rctenone-bearing 
materials for the control of vegetable insects, 
Ohio Veg. Growers' Assoc. Proc, 22: 19-25. 
(43) IDAHO AGRICULTURAL EXPERIMENT STATION 
1936, [Cube-Kaolin Dust.] Science aids Idaho farmers. Idaho 
Agr. Expt, Sta. Ann. Ppt. (1955) Bui. 220: 51, 
(44) INSTITUTE OF PHYSICAL AND CHFMIGAL RESEARCH 
1927, "Neoton" - what it means to agriculturists, Inst. Phys, 
and Chem. Pes., Japan, 12 pp. 
(45) JACK, H. W., and SANDS, N. W. 
1922. Cotton experiments in Malaya, Malayan Agr. Jour, 10: 
[248]-258„ 
(46) JARYIS, H. 
19 51. Cabbage moth control by non-arsenical sprays. Queensland 
Agr. Jour. 56: 399-403. 
(47) JONES, H. A., and DAVIDSON, W. M. 
1931. Preparations containing rotenone for use as insecticides, 
I. Aqueous suspensions. Jour. Eccn, Ent. 24: 244-257 c 
