PERCENTAGE-COMPOSITION 



75 



86 A. Kossel, ?#. A^OC. cfeww. de Pans Juli (1903). 



87 A. Kossel and Dakin. Communicated privately by Kossel to Cohnheim. 



88 R. Schroder, Ilofmeister's Beitr. 2. US9 (1902). 



89 A. Kossel, Zeitschr. f. physiol. Chem. 40. (1903). 



90 G. Wetzel, ibid. 26. 535 (1899) ; 29. 386 (1900) ; Zentralbl. f. Physiol. 13. 

 No. 5 (1899). 



91 K. A. H. Mdrner, Zeitschr. f. physiol. Chem. 34. 207 (1901-2). 



92 Emil Fischer and E. Abderhalden, ibid. 42. 540 (1904). 



93 Emil Abderhalden and A. Schittenhelm, ibid. 41. 293 (1904). 



94 Emil Abderhalden and Franz Samuely, ibid,. 44. 276 (1905). 



