Selected Bibliography 57 



TAm.K 11. .\m\nAXCK of Xkmatodes i\ Differe.vt Soiijs (from (;<>l)l) aiul Sk-iiicr) 



Numliers per acre of soil. 



Tliousaiids of 

 Nematodes in 

 Location and Xatnir of Soil Surface 6 Inches 



Missouri corn fioKl 648,000 



New Jersey corn field 129,600 



New Hampshire corn field 99,600 



Vermont corn fiehl 580,000 



Acid forest soil in Virginia 320,000 * 



rtah sugar-heet field U , 044 , 000 f 



* Surface 3 cm. 

 t Surface 2 feet. 



Selected Bibliography 



1. Brierley, W. B., The Microorganisms of the Soil, E. J. Russell, Longmans, 

 Green and Co., London, 1923. 



2. Cholodny, N., t)ber eine neue Methode zur Untersuchung der Bodenmikro- 

 flora, Arch. Microb., 1:620-652, 1930. 



3. Conn., H. J., The microscopic study of bacteria and fungi in soil, N. Y. Agr. 

 Expt. Sta. Tech. Bull. 64:1918; also 129:1927; 204:1932; Soil Sci., 26:257- 

 260, 1928; J. Bad., 17:399-405, 1929. 



4. Feher, D., Untersuchungen iiher die Mikrobiologie des Waldhodcns, J. 

 Springer, Berlin, 1933. 



5. James, N., and Sutherland, M. L., The accuracy of the plating method for 

 estimating the numbers of soil bacteria, actinomyces, and fungi in the dilu- 

 tion plates, Can. J. Research, C, 17:72-86, 1939. 



6. Jones, P. C. T., and MoUison, J. E., A technique for the quantitative esti- 

 mation of soil microorganisms, /. Gen. Microb., 2:54-69, 1948. 



7. Kubiena, W., Ein Bodenmikroskop fiir Freiland- und Laboratoriumgebrauch, 

 Internad. Soc. Soil Sci., Soil Research, 3:91-102, 1932; Arch. Mikroh., 3:507- 

 542, 1932. 



8. Rossi, C, Preliminary note on the microbiology of the soil and the possible 

 existence therein of invisible germs. Soil Sci., 12:409-412, 1921. 



9. Russell, E. J., and Hutchinson, H. B., The effect of partial sterilization of 

 soil on the production of plant food, J. Agr. Sci., 3:111-144, 1909; 5:152- 

 221, 1913. 



10. Russell, E. J., et al.. The Microorganisms of the Soil, Longmans, Creen and 

 Co., London, 1923. 



11. Singh, B. N., Selection of bacterial food by soil flagellates and amoebae, 

 Ann. Appl. Biol, 29:18-22, 1942; /. Gen. Microb., 3:204-210, 1949. 



