184 OXIDATION-REDUCTION POTENTIALS 



(1931, 5). Effect of bacteriophage on the oxidation-reduction potentials of B. coli communis 



cultures. Blochem. J ., 25, 1641. 



(1931, 6). Oxidation-reduction potentials of Staphylococcus cultures. II. Effect of bacterio- 

 phage. Biochem. J., 25, 2068. 



(1932,1). Bacterial metabolism. I. Lactic acid production by haemolytic streptococci. Biochem. 



J., 26, 208. 



(1932, 2). Bacterial metabohsm. II. Glucose breakdown by pneumococcus variants and the 



effect of phosphate thereon. Biochem. J., 26, 464. 



(1938). The polysaccharade content and reducing power of proteins and of their digest products. 



Biochem. J., 32, 1554. 



(1943). Proteins and amino-acids. Annual Review of Biochemistry, XII, 81. 



(1947). Hsemolytic activity of C. diphthericp.. J. Path. Bact., 59, 145. 



(1948, 1). Protection by streptomycin, penicillin and licheniformin against C. diphtherias 



infections. Brit. .J. Exp. Path., 29, 289. 



(1948, 2). Effects of chemotherapeutic agents on C. diphtherics with special reference to the 



diamidines. Brit. .J. Exp. Path., 29, 447. 



and King, H. (1926). Trypanocidal action and chemical constitution. IV. Arylamides of 



aminohydroxyphenylarsinic acids. Jour. Chen. Soc, 817. 



, — ■ — ■ and MuRCH, W. 0. (1926.) Trypanocidal activity and chemical constitution. V. Aryl- 



sulphonamides of some phenylarsinic acids. Jour. Ckem. Soc, 1355. 



and Todd, E. W. (1939). The effect of cholesterol and of sera contaminated with bacteria on the 



hsemolysin produced by hemolytic streptococci. J. Path. Bact., 49, 45. 



, see also Todd and Hewitt (1932). 



Heymann, H. (1949). The two-step reduction-oxidation of thiaxanthone-5-dioxide and thiaxanthenol- 



5-dioxide. J. Anier. Chem. Soc, 71, 260. 

 Heyrovsky, J. (1927). The reduction of oxygen at the dropping mercury cathode. Casopis Cesko- 



slovenskiho Lekdmictva, 7, 242-51. 

 (1932). Application of the polarographic method to micro-analytical work. Mikrochemie, 12, 



25-64. 



(1943). Polarographie. Theoret Grundlagen prakt. Ausfuhrung und Anrendungen der 



Elektrolyse mit der tropfenden Quecksilber-elektrode. 



Heyrovsky, J. and Smoler, I. (1932). Polarographic studies with the dropping mercury cathode. 



30. Electroreduction and estimation of fructose and sorbose. Collection Cze.cJioslovak Chem. 



Comm., 4, 521. 

 Hill, E. S. (1937). The two-step oxidation-reduction of phthiocol. Proc. Soc. Exptl. Biol. Med., 35, 363. 



(1938.) Two-step oxidation-reduction of lapachol, lomatiol and related compounds. J. Am. 



Chem. Soc, 60, 1990-4. 



and MiCHAELis, L., (1933). Effect of iron on the establishment of the oxidation-reduction 



potential of alloxanthin. Science, 78, 485. 



, see also Michaelis and Hill (1933). 



Michaelis, Hill and Schubert (1932). 



and Shaffer, P. A. (1936). Two-step oxidation of anthraquinonc sulphonates. Proc. Soc. 



Exj)il. Biol. Med.,Z, 11. 



Hill, R. (1939). Oxygen produced by isolated chloroplasts. Proc. Roy. Soc, B.127, 192. 



Hjmsworth, H. P. (1949). f^iabetes melhtus. Jjancet, i, 465. 



HiNDMARSH, M. (1949). Effect of sulphanilamide and p-amino-benzoic acid on mitosis. Nature, 



163, 610. 

 Hinshelwood, C. N. (1946). The chemical kinetics of the bacterial cell. (Oxford.) 

 HiRSCH, P. W., see Tillmans, Hirsch and Hirsch (1932). 



, and Dick (1932). 



HiRSCHY, H. W. and Ruoff, P. M. (1942). Polarographic determination of citrinin. J. Am. Chem. 



Soc, 64, 1490-1. 

 Hoar, T. P. (1933). Mechanism of the oxygen electrode. Proc Roy. Soc, A. 142, 628. 

 HoBBS, B. C. (1939). The part plaved bv bacteria in the reduction of methylene blue in milk. J . Da in/ 



Res., 10, 35. 

 Hoff-Jorgensen, E. (1938). Reduction-oxidation potential determination in the system : ^-hydroxy- 



butyric acid-dehydrogenase-acetoacetic acid. Skand. Arch. Physiol., 80, 176-92. 

 Hoffman, Z. A., see Barron and Hoffman (1930). 



HooNESS, T. R. (1939). Cytochrome Oxidase. Cold Spring Harbor Symposia Quant. Biol., 7, 121. 

 Holmes, B. E. (1926). Oxidative meclianisms of tumemr tissue. The anaerobic habit of tumour tissue. 



Biochem. J., 20, 812. 

 HoLST, G. (1935). Oxidation-reduction potential. II. The study of a coupled reduction-oxidation 



equilibrium by photoelectric light extinction measurements. Z. physik. Chem., A175, 99-126. 

 Holt, A. S., and French, C. S. (1948). Oxygen production by illuminated chloroplasts suspended 



in solutions of oxidants. Arch. Biochem., 19, 368. 



