BY JAMES M. PETRIE. 833 



45. Rosenheim— Journ. Physiol, xxxvi., 1908. 



46. Abel & Ford- Journ. Biol. Chem. ii., 1906, 273. 



47. Frankfurt— Landw. Versuchs-Stat. xlvii., 453. 



48. Schulze & Castoro— Zeit. physiol. Chem. xxxviii., 190.3, 220. 

 49. Op. cit. xli., 1904, 455. 



50. Acton— Annals of Botany, vii., 1893, 383. 



51. Schulze & Castoro — Zeit. physiol. Chem. xxxviii., 1903, 220. 



52. Osborne & Harris— Prelim. Note, J.A.C.S. xxii., 1899, 379; and full 



paper, Zeit. physiol. Chem. xxxvi., 1902, 85. 



53. Schulze -Zeit. Physiol. Chem. x., 1886, 80, 326. 

 54. Op. cit. xli., 1904, 463. 



55. Kossel— Op. cit. iii., 1879, 284; iv., 1880, 290; v., 1881, 270. 



56. Chittenden — Journ. Physiol, ii., 1879, 28. 



57. Schulze— Zeit. physiol. Chem. ix., 1885, 420; x., 1886, 80, 326. 



58. Richardson & Cram pro n — Ber. xix. 1886, 1180. 



59. Schulze — Zeit. physiol. Chem. xli., 1904, 321. 



60. Thudicum, Hammersten, Bang— Ergebnisse Physiol. 1905, 1907. 



61. Winterstein & Hiestand — Zeit. physiol. Chem. liv., 1908, 288. 



62. Hoppe-Seyler— Med. Chem. Untersuch. 1866, 142. 



63. Jacobson, Schulze & Steiger— Zeit. physiol. Chem. xiii., 1889,32,365. 



64. Preston Kyes— Biochem. Zeit. iv., 1907, 99. 



85. Schulze— Zeit. physiol. Chem. xv., 1891, 140; xviii., 1894, 205. 



66. Ber. xxvi., 1892, 2151. 



67. Maxwell — Amer. Chem. Journ. xiii., 1891, 469. 

 €8. Dessaignes— C.R. xxxiii., 358. 



69. Wicke — Liebig's Annalen, xci., 121; cxxiv., 338. 



70. Schulze— Ber. xxvii., 769; xxix., Ref. 34. 



71. Latham— Bio-Chem. Journ. iii., 1908, 212. 



72. Robiquet— Annal. Chim. Phys. xliv., 1830, 352. 



73. Bourquelot et Danjou— C.R. cxli., 1905, 598; Guignard— ib. 236. 



74. Dunstan & Henry — Phil. Trans. A. cxeix., 1902, 399; Brunnich— Journ. 



Chem. Soc. lxxxiii., 1903, 788. 



75. Dunstan da Henry — Proc. Roy. Soc. Lond. B. lxxii., 285 ; lxxviii., 145 ; 



lxxix. , 315. 



76. Dunstan & Henry— Phil. Trans. B. cxciv., 1901, 515. 



77. Fischer— Zeit. physiol. Chem. xxvi., 1898, 75. 



78. Armstrong, E. F. — Journ. Chem. Soc. lxxxiii., 1903, 1305. 



79. Dunstan & Henry— Proc. Roy. Soc. Lond. lxxix.B.1907, 321. 



80. Treub — Annales Buitenzorg, xiii., 1896. 



81. Soave— Nuov. Giorn. bot. ital. vi., 1899, 219. 



82. Weevers — Jahresb. wiss. Bot xxxix., 1904, 229, 



83. Latham — Bio-Chem. Journ. iii., 1908, 193-257. 



84. Emmerling— Ber. xxxiv., 1901, 3810. 



