ee Se 
905] TRUE & OGLEVEE—TOXIC ACTION OF POISONS 21 
LITERATURE CITED. 
- Kanna, M., Studien iiber die Reizwirkung einiger Metallsalze auf das Wachs- 
thum hdherer Pflanzen. Jour. Coll. Sci. Imp. Univ. Tokyd 19:1-37. 
1904. 
. NAGEL, C. von, Ueber oligodynamische nena in lebenden Zellen. 
Denkschr. Schweiz. Naturforsch. Gesell. 33:1. 1893. 
. True, R. H., and Gres, W. J., On the phsaklbncel action of some of the 
heavy metals in mixed solutions. Bull. Torr. Bot. Club 30: 390-402. 
1903. 
i. KAHLENBERG, L. and TRUE, R. H., On the toxic action of dissolved salts and 
their electrolytic dissociation. Bot. GAz. 22:96. 1896 
Baper, R., Zeitschr. Physik. Chemie. 6: 289. 
. OSTWALD, W., Lehrb. d. allgem. Chemie 1:1080. 1891; a brief general 
account of adsorption up to 1890. General discussions of the subject 
are contained in the following articles about to appear: Briccs, Lyman J. 
(a) On the adsorption of water vapor and of certain salts in aqueous 
solution by quartz (to appear in Am. Jour. Physical Chemistry); (0) 
Adsorption and its relation to soil investigations (as a Bulletin of U. S. 
Department of Agriculture). 
. Meyer, ArtHur, Untersuchungen iiber die Starkekérmer. 1895. 
. Couprn, H., Sur la toxicité de sodium et de l’eau de mer a l’égard des végétaux. 
Rev. Gén. Bot. 10:177. 1898. 
. True, R. H. and HunKxet, C. G., The poisonous effect exerted on living 
plants by phenols. Bot. poms a 48-51. 1898. 
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