262 BIOLOGICAL ACTIVITIES OF MOLDS 



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32. Lewis, W. L., and J. Yesair, The Cause and Prevention of Molds on Meat 



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33. Lu Cheng Hag, E. I. Fulmer, and L. A. Underkofler, Fungal amylases as 



saccharifying agents in alcoholic fermentation of corn, Ind. Eng. Chem., 

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34. Macy, H., and W. B. Combs, Field studies of the sources of mold in butter, 



Minn. Agr. Exp. Sta. Bull. 235, 1927. 



35. Macy, H., S. T. Coulter, and W. B. Combs, Observations on the quantitative 



changes in the microflora during the manufacture and storage of butter, 

 Minn. Agr. Exp. Sta. Tech. Bull. 82, 1932. 



36. May, 0. E., H. T. Herrick, A. J. Moyer, and P. A. Wells, Gluconic acid. 



Production by submerged mold growths under increased air pressure, Ind. 

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37. May, 0. E., A. J. Moyer, P. A. Wells, and H. T. Herrick, The production 



of Kojic acid by Aspergillus flavv^, J. Am. Chem. Soc, 53, 774 (1931). 



38. May, O. E., G. E. Ward, and H. T. Herrick, The effect of organic stimu- 



lants upon the production of Kojic acid by Aspergillus flavus, Zentr. Bakt. 

 Parasitenk. II, 86, 129 (1932). 



39. Melin, E., Untersuchungeu ilber die Bedeutung der Baummykorrhiza, 



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40. MoLLiARD, M., Sur une nouvelle fermentation acide produite par le Sterig- 



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41. Niethhammer, a.. Die Mikroskopischen Bodenpilze, Junk, The Hague, 1937. 



42. Porges, N., T. F. Clark, and E. A. Gastkock, Gluconic acid production. 



Repeated use of submerged Aspergillus niger for semicontinuous produc- 

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43. Porter, J. R., Bacterial Chemistry and Physiology, Wiley, New York, 



1946. 



44. Prescott, S. C. and C. G. Dunn, Industrial Microbiology, McGraw-Hill, 



New York, 1940. 



45. Prindle, B., Microbiology of textile fibres. II. Cotton fibre, Textile Re- 



search, 5, 11 (1934). 

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5, 542; 6, 23 (1935). 



47. , Microbiology of textile fibres. V. Method for the general histo- 

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6, 481 (1936). 



48. Pringsheim, H., and S. Lichtenstein, Versuche zur Anreichung von Kraft- 



stroh mit Pilzeiweiss, Cellulosechem., 1, 29 (1920). 



49. Raistrick, H., Certain aspects of the biochemistry of the lower fungi 



("Moulds"), Ergeb. Enzymforsch., 7, 316 (1938). 



50. Rayner, M. C, Mycorrhiza, Wheldon and Wesley, London, 1927. 



51. Robbins, W. J., The assimilation by plants of various forms of nitrogen. 



Am. J. Botany, 24, 243 (1937). 



52. Robbins, W. J., and F. Kavanagh, The specificity of pyrimidine for 



Phycomyces Blake sic eanus, Proc. Natl. Acad. Set., U. S., 24, 141 (1938). 



53. , The specificity of thiazole for Phycomyces Blake sleeanus, Proc. 



Natl. Acad. Sci., U. S., 24, 145 (1938). 



