SELENIUM — HURD-KARRER 301 



Franke, K. W. 



1934a. A new toxicant occurring naturally in certain samples of plant food- 

 stuffs. I. Results obtained in preliminary feeding trials. Journ. 

 Nutrition, vol. 8, pp. 597-608. 

 1934b. A new toxicant occurring naturally in certain samples of plant food- 

 stuffs. II. The occurrence of the toxicant in the protein fraction. 

 Journ. Nutrition, vol. 8, pp. 609-612. 

 Franke, K. W., Rice, T. D., Johnson, A. G., and Schoening, H. W. 



1934. Report on a preliminary survey of the so-called "alkali disease" of 

 livestock. U. S. Dept. Agr. Circ. 320, 8 pp. 

 Gassman, Th. 



1917. Die quantitative Bestinimung des Selens in Knochen- und Zahngewebe 



und im Harn. Hoppe-Seyler's Zeitschr. Physiol. Chem., vol. 98, pp. 



182-189. 



1919. Zum Nachweis des Selens im Menschen-, Tier- und Pflanzeuorgan- 



ismus. Hoppe-Seyler's Zeitschr. Physiol. Chem., vol. 108, pp. 38-41. 



IIurd-Karreu, Annik M. 



1934. Selenium injury to wheat plants and its inhibition by sulphur. Journ. 



Agr. Res., vol. 40, pp. 343-357. 



1935. Factors affecting the absorption of selenium from soils by plants. 



Journ. Agr. Res., vol. 50, pp. 413^27. 

 HxmD-KARRER, Annie M., and Kennedy, JIary H. 



1936. Inhibiting effect of sulphur in selenized soil on the toxicity of wheat. 



Journ. Agr. Res. [In press.] 

 Knight, H. G. 



1935. The selenium problem. Journ. Assoc. Off. Agr. Chem., vol. 18, pp. 103-108. 

 Levinb, V. E. 



1915. Biochemical studies of selenium. Ann. New York Acad. Sci., vol. 26, 

 pp. 385-394. 

 Nei.son, E. M., PIurd-Kakuer, A. M., and Robinson, W. O. 



1933. Selenium as an insecticide. Science, vol. 78, p. 124. 

 NoDDACK, I., and Noddack, W. 



1934. Die geochemischen VerteilungkoefHzienten der Elemente. Svensk 



Kemisk Tidskrift, vol. 46, pp. 173-201. 

 Robinson, W. O. 



1933. Determination of selenium in wheat and soils. Journ. Assoc. Off. 



Agr. Chem., vol. 16, pp. 423-424. 



Stoklasa, J. 



1922. L'ber die Einwirkung des Selens auf den Bau- und Betriebsstoffwechsel 

 der Pflanze bei Anwesenheit der Radioaktivitiit der Luft und des 

 Bodens. Biochem. Zeitschr., vol. 130, pp. 6047-643. 



Stbock, L. W. 



1935. The distribution of selenium in nature. Amer. Journ. Pliarm., vol. 



107, pp. 144-157. 

 Tabotjry, M. 



1932. Sur la presence accidentelle du selenium dans certains v^getaux. 

 Compt. Rend., vol. 195, p. 171. 



TUBINA, B. 



1922. Vergleichende Versuche iiber die Einwirkung der Selen-, Schwefel 

 und Tellursalze auf die Pflanzen. Biochem. Zeitschr., vol. 129, pp. 

 507-533. 

 Williams, K. T., and Byers, Horace G. 



1934. Occurrence of selenium in pyrites. Industrial Bngin. Chem. Anal. 



Ed., vol. 6, pp. 296-297. 



