Selected Bil)liogiaphy 207 



in tlic sonIk-uh with spivial irit-reiKf to tlu" iiuxlianisiii ot translcr of fixed 

 nitrogen Ironi hacillus to liost, Aim. Botamj^ 50:559-578, 1936; Syinhiosis 

 of Icguniinons plants and nodule bacteria. I. Ol)si'r\ations on resjiiration 

 and on the extent of utilization of host carholndratcs In- tlie nodule bac- 

 teria. Ann. Botany, N.S., 5:313-337, 1941. 



3. Burk, D., and Horner, C. K., The origin and significance of annnonia 

 formed by Azotobacter, Soil Set., 41:81-132, 1936. 



4. Burk, D., and Burris, R. If., Biochemical nitrogen-fixation, Ann. Rev. Bio- 

 ehem., 10:587-618, 1941. 



5. Jensen, H. L., Contributions to the nitrogen econonu' of Australian wlieat 

 soils, with particular reference to \e\v South Wales, Proe. Linnean Soe. 

 N. S. Wales, 45:1-122, 1940. 



6. Jensen, H. L., Symbiotic nitrogen-fixation. Austral. J. Sci., 6:162-165, 1944. 



7. Jones, D. H., and Murdoch, F. G., Quantitati\e and (jualitatixc bacterial 

 analysis of soil samples taken in fall of 1918, Soil Sei., 8:259-267, 1919. 



8. Kluy\er, A. J., and \an Reenen, W. J., Uber Azotohaeter af^ilis Beijerinck, 

 Arch. Mikrob., 4:280-300, 1933. 



9. Lind, C. J., and Wilson, P. W., Nitrogen-fixation by Azotobacter in asso- 

 ciation with other bacteria, Soil Sci., 54:105-111, 1942. 



10. Starkey, R. L., and De, P. K., A new species of Azotobacter, Soil Sci., 47: 

 329-343, 1939. 



11. Stumbo, C. R., and Gainey, P. L., An apparent induced loss of nitrogen- 

 fixing ability in Azotobacter, J. Agr. Re.search, 57:217-227, 1938. 



12. Van Xiel, C. B., A note on the apparent absence of Azotobacter in soils, 

 Arch. Mikrob., 6:215-218, 1935. 



13. Mrtanen, A. I., Cattle Fodder and Human Nutrition, with Special Reference 

 to Biological Nitrogen Fixation, Cambridge Uni\ersity Press, 1938. 



14. \'irtanen, A. I., Biological nitrogen-fixati(m, Ann. Rev. Microb., 2:485-506, 

 1948. 



15. Wilson, P. W., The Biochemistry of Symbiotic Nitrogen Fi.xation, Uni\ersity 

 of Wisconsin Press, Madison, Wis., 1940. 



16. Wilson, P. W., and Lind, C. J., Carbon monoxide inhibition of Azotobacter 

 in microrespiration experiments, /. Bact., 45:219-232, 1943. 



