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BULLETIN 1335, U. S. DEPARTMENT OF AGRICULTURE 
Prescott, 8. C. Some bacteriological aspects cf dehydration. Jn J. 
Bact. (1920), 5: 109-125. 
and Sweet, L. D. Commercial dehydration: A factor in the 
solution of the international food problem. Jn Ann. Am. Acad. Pol. 
Soc. Sci. (1919), 83 (no. 172): 48-69. 
NicuHots, P. F., and Powrrs, Ray. Bacteria and molds in 
dehydrated vegetables. Jn Am. Food J. (1922), 17: 11-16. 
Riputey, G. B. Tunnel dryers. Jn Ind. Eng. Chem. (1921), 13: 453-60. 
Simons, 8. C. Some essentials to success in dehydration. In Am. Food J. 
(1921), 76 (no. 9): 7-10. 
Swett, F. T. Relation of fruit by-products to horticulture. Jn Calif. 
Dept. Agr. Monthly Bul. (1921), 10: 66-70. 
WIEGAND, E. H., and Powers, Ray. Prune drying by recirculation. Jn 
Oregon Grower (1922), 3 (no. 10): 8-10. 
CONTROL OF INSECT PESTS 
Back, E. A. Insect control in flour mills. U. 8. Dept. Agr. Bul. 872 
(1920). 40 pp. 
CHITTENDEN, F. H., and PopeNnor, C. H. Carbon tetrachlorid as a sub- 
stitute for carbon bisulphid in fumigation against insects. U.S. Dept. 
Agr., Bur. Ent. Bul. 96, part 4 (1911). 5 pp. 
Dean, G. A. Heat as a means of controlling mill insects. Jn J. Econ. 
Entomol. (1911), 4: 142-161. 
- Further data on heat as a means of controlling mill insects. 
In J. Econ. Entomol. (19138), 6: 40-55. 
DrOna, E. R. Prevention and control of insects in dried fruits. Jn Calif. 
Dept. Agr. Monthly Bul. (1921), 10: 72-74. 
Goopwin, W. H. Some factors affecting results in the use of high temper- 
atures for the control of insects injuring cereal products. Jn J. Econ. 
Entomol. (1914), 7: 313-322. 
GRIFFIN, KE. L., Nerrert, I. E., Perrine, E., Duckert, A. B., and Back, 
E. A. Absorption and retention of hydrocyanic acid by fumigated food 
products. U.S. Dept. Agr. Bul. 1149 (1923), 16 pp.; U. S. Dept. Agr. 
Bul. 1307 (1924), 8 pp. 
Hamutn, J. C., and Benton, Curtis. Control of the saw-toothed grain 
beetle in raisins. Jn J. Econ. Entomol. (1925), 18. 
Hinps, W. E. Carbon disulphide as an insecticide. U. S. Dept. Agr., 
Farmers’ Bul. 799 (1917), 21 pp. 
Horne, W. T., Essic, E. O., and HErMsgs, W. B. Plant disease and pest 
control. Jn Calif. Agr. Exp. Sta. Cir. 265 (1923), p. 94. 
Howarp, L. O., and Poprenozr, C. H. Hydrocyanic-acid gas against house- 
hold insects. U.S. Dept. Agr. Farmers’ Bul. 699 (1916), 8 pp. 
NeEIFregrt, I. E., Coox, F. C., Roark, R. C., Tonkin, W. H., Back, E. A., 
and Cotton, R.T. Fumigation against grain weevils with various volatile 
organic compounds. U.S. Dept. Agr. Bul. 1313 (1925). 48 pp. ; 
Parker, W. B. Control of dried-fruit insects in California. U.S. Dept. 
Agr. Bul. 235 (1915). 15 pp. 
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