834 THE ROLE OF NITROGEN, ETC., I. 



85. Visseb— Zeit. physik. Chem. Hi. , 1905, 257. 



86. Bebtband— C.R. cxliii. ; 1906, 832. 



87. Abdebhalden & Tebuuchi— Zeit. physiol. Chem. xlix., 1906, 2k 



88. Vines— Annals of Bot. 1901-1908. 



89. Schulze— Zeit. physiol. Chem. xxiv., 1897, 110. 



90. Op. cit. xlv., 1905, 38; xlvii., 1906, 507- 



91. Op. ci*. xxxviii., 1903, 199. 



92. Castobo-O/). cit. 1., 1906, 525. 



93. Shibata— Beit. chem. Phys. Path, v., 384. 



94. Suzuki— Bull. Coll. Agric. Tokio Univ. ii., 1897, 7 ; iv., 1902, 351.. 



95. Bertel— Ber. bot. Ges. xx., 1902, 454. 



96. Schulze — Landw. Jahrbiicher xxxv., 635. 



97. Balicka-Iwanowska— Bull. Acad. Crac. 1903. 



98. Prianischnikow— Ber. bot. Ges. xxii., 1904, 35. 



99. Schulze— Zeit. physiol. Chem. xx., 1895, 325. 



100. Brown & Morris — Journ. Chem. Soc. lxiii., 1893, 604. 



101. Schulze — Zeit. physiol. Chem. xxx., 1900, 241. 



102. Taylor, Brailsford Robertson — Journ. Biol. Chem. iii., 1907, 87 



and 95. 



