296 BIBLIOGRAPHY 



410. Hettche, O. Untersuchungen uber die Natur der bakteriziden und 

 hamolitischen Bestandteile der Pyocyaneuslypoiden. Ztschr. f. Hyg. u. Im- 

 munitatsforsch u. exper. Therap. 83:499-505, 506— 511 (1934). 



411. Heukelekian, H., and Schulhoff, H. B. Studies on the survival of 

 B. typhosus in surface vi^aters and sewage. New Jersey Agr. Exper. Sta. 

 Bull. 589(1935). 



412. HiLDEBRAND, A. A., and KocH, L. W. A microscopical study of infection 

 of the roots of strawberry and tobacco seedlings by microorganisms of the 

 soil. Canad. J. Research 14: 1 1-26 (1936). 



413. HiLDEBRAND, A. A., and West, p. M. Strawberry root rot in relation to 

 microbiological changes induced in root rot soil by the incorporation of cer- 

 tain cover crops. Canad. J. Research 19: 183-198, 199-210 (1941). 



414. HiNO, I. Antagonistic action of soil microbes with special reference to plant 

 hygiene. Trans. Third Internat. Cong. Soil Sc. i: 173—174 (1935). 



415. Hind, I., and Endo, S. Trichoderma parasitic on sclerotial fungi. Ann. 

 Phytopath. Soc. Japan 10:231-241 (1940). 



416. HiRSCH, J. Die Sekretion eines Glukose-oxydierenden Enzyms mit bak- 

 teriostatischer Wirkung durch Penicillium notatum Fleming. Istanbul 

 Seririyati 25:3-20 (1943). 



417. HiRSCHY, H. W., and Ruoff, P. M. Polarographic determination of cit- 

 rinin. J. Am. Chem. Soc. 64: 1490-1491 (1942). 



418. Hobby, G. L., and Dawson, M. H. Bacteriostatic action of penicillin on 

 hemolytic streptococci in vitro. Proc. Soc. Exper. Biol. & Med. 56:178— 

 181 (1944)- 



419. Hobby, G. L., and Dawson, M. H. Effect of rate of growth of bacteria 

 on action of penicillin. Proc. Soc. Exper. Biol. & Med. 56:181-184 

 (1944). 



420. Hobby, G. L., and Dawson, M. H. Relationship of penicillin to sulfonam- 

 ide action. Proc. Soc. Exper. Biol. & Med. 56:1 84-1 87(1 944) . 



421. Hobby, G. L., Meyer, K., and Chaffee, E. Activity of penicillin in 

 vitro. Proc. Soc. Exper. Biol. & Med. 50:277-280(1942). 



422. Hobby, G. L., Meyer, K., and Chaffee, E. Chemotherapeutic activity 

 of penicillin. Proc. Soc. Exper. Biol. & Med. 50:285-288 (1942). 



423. Hobby, G. L., Meyer, K., and Chaffee, E. Observations on the mecha- 

 nism of action of penicillin. Proc. Soc. Exper. Biol. & Med. 50:281-285 

 (1942). 



424. Hobby, G. L., Meyer, K., Dawson, M. H., Chaffee, E., and Falk- 

 ner, D. The antibacterial action of penicillin. J. Bact. 43:11—12 ( 1 942) . 



425. HoLMAN, W. L. Bacterial associations. In The newer knowledge of bac- 

 teriology and immunology, edited by E. O. Jordan and I. S. Falk. Chicago, 

 University of Chicago Press, 1928, pp. 102— 1 19. 



426. HoLMAN, W. L., and Meekison, D. M. Gas production by bacterial syner- 

 gism. J. Infect. Dis. 39: 145-172 (1926). 



427. Hoogerheide, J. C. An agent, isolated from a soil bacillus, which inhibits 

 encapsulation of Friedlander's bacterium and is highly bactericidal for gram- 

 positive microorganisms. J. Franklin Inst. 229:677-680 (1940). 



