[Vol. 10 



368 ANNALS OP THE MISSOURI BOTANICAL GARDEN 



Hitter, G. E. ('09, '12). Ammoniak und Nitrate als Stickstoff quelle ffir Schimmel- 

 pilze. Ber. d. deut. bot. Ges. 27: 582-588. 1909; Ibid. 29: 570-577. 1912. 



, ('14). Ammonnitrat und freie Saltpetersiiure als Stickstoffquelle ftir 



J1D1 



Schimmelpilze. Biochem. Zeitschr. 60: 370-377. 1914. 

 Scales. F. M. ('16). A method for the determination of nitric nitrogen. Jour. Biol. 

 Chem. 27: 327-337. /. 1. 1916. 



. and Harrison, A. P. ('20). Boric acid modification of the Kjeldahl 



method for crop and soil analysis. Jour. Ind. and Eng. Chem. 12: p. 350. 1920. 

 Schlosing, T.. und Miintz, A. (78). Sur la nitrification par les ferments organises. 



Compt. Rend. Acad. Paris 86: 892-895. 1878. 

 Shaffer, P. A. ('03). On the quantitative determination of ammonia in urine. Am. 



Jour. Physiol. 8: 330-354. 1903. 

 — — , and Hartman, A. F. ('21). The iodometric determination of copper 



and its use in sugar analysis. II. Methods for the determinations of reducing 



sugars in blood, urine, milk, and other solutions. Jour. Biol. Chem. 45: 365- 

 390. 1921. 



Spears, H. D. ('21 ). Boric acid for neutralizing ammonia in nitrogen determinations. 



Assoc. OflTic. Agr. Chem., Jour. 5: 105-108. 1921. 

 Strowd, W. H. ('20). The determination of nitrites and nitrates in plant tissue. 



Soil Sci. 10: 333-342. 1920. 

 Ternetz, C. ('04). Assimilation des atmospharischen Stickstoff s durch einen 



torfbewohnenden Pilz. Ber. d. deut. bot. Ges. 22: 267-274. 1904. 

 Terroine, E. F., Wurmser, R., et Montaine, J. ('22). Influence de la constitution 



des milieux nutritifs sur la composition de l'Aspergillus niger. Compt. Rend. 



Acad. Paris 175: 541-544. 1922. 

 Uhlenhaut, H. ('11). Ueber die Spattung des Amygdalins durch Schimmelpilze. 



Ann. Myc.9: 567-621. 1911. 

 van Slyke, D. D. ('11). A method for quantitative determination of aliphatic amino 



f roups. Applications to the study of proteolysis and proteolytic products, 

 our. Biol. Chem. 9: 185-204. 1911. 

 , ('11a). The analysis of proteins by determination of the chemical 



groups characteristic of the different amino acids. Ibid. 10: 15-55. /. 1-2. 

 1911. 



, ('12). The quantitative determination of aliphatic amino groups. II. 



Ibid. 12: 275-284. /. 1-2. 1912. 



('13). The gasometric determination of aliphatic amino nitrogen in 



minute quantities. Ibid. 16: 121-124. 1913. 



('15). Note on the micro-method for gasometric determination of 



aliphatic amino nitrogen. Ibid. 23: 407-409. 1915. 

 Waksman, S. A. ('18). Studies in the metabolism of pathogenic Actinomycetes 

 Jour. Infect. Dis. 23: 547-554. 1918. 



-, ('18). The importance of mold action in the soil. Soil Sci. 6:: 137-155. 



1918. 



('18). Studies on proteolytic activities of soil micro-organisms, with 

 special reference to fungi. Jour. Bact. 3: 475-492. 1918. 



('18a). Studies on the proteolytic enzymes of soil fungi and Actino- 



mycetes. Ibid. 3: 509-530. 1918. 



('19). Studies in the metabolism of Actinomycetes. I. Ibid. 4: 189- 



216. 1919; Ibid. II.; Ibid. 4: 307-330. pi. 1. 1919! 



, ('20). Ibid. III. Nitrogen metabolism. Ibid. 6: 1-30. 1920. 



, and Joffe, J. S. ('20). ibid. IV. Changes in reaction us a result of 



the growth of Actinomycetes upon culture media. Ibid. 6: 31-48. 1920. 



and Curtis, R. E. ('16). The Actinomycetes of the soil. Soil Sci. 1: 



99-134. 1916. 

 Waterman, H. J. ('13). Metabolism of the nitrogen in Aspergillus niger. K. Akad. 



Amsterdam, Proc. 16': KM7-1057. 1913. 

 Wehmer, C. ('13). Selbstvergiftung in Penicillium-Kulturen als Folge der Stick- 



stoff-Ernahrung. Ber. d. deut. bot. Ges. 31: 210-225. 1913. 

 , ('18). Growth of Aspergillus glaucus under the influence of large 



Quantities of KNO,. Chem. Weekblad 16: 599-602. 1918. 

 Zaleski, W., und Israilsky, W. ('14). Ueber den Eiweissaufbau in der Hefe. Ber. 



d. deut. bot. Ges. 32: 472-479. 1914. 



und Pjukow ('14). Ueber Elektion der Stickstoff verbindungen 





durch Aspergillus. Ibid. 32: 479-483. 1914. 



